(n.) The anterior or superior part of an animal, containing the brain, or chief ganglia of the nervous system, the mouth, and in the higher animals, the chief sensory organs; poll; cephalon.
(n.) The uppermost, foremost, or most important part of an inanimate object; such a part as may be considered to resemble the head of an animal; often, also, the larger, thicker, or heavier part or extremity, in distinction from the smaller or thinner part, or from the point or edge; as, the head of a cane, a nail, a spear, an ax, a mast, a sail, a ship; that which covers and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.
(n.) The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head.
(n.) The most prominent or important member of any organized body; the chief; the leader; as, the head of a college, a school, a church, a state, and the like.
(n.) The place or honor, or of command; the most important or foremost position; the front; as, the head of the table; the head of a column of soldiers.
(n.) Each one among many; an individual; -- often used in a plural sense; as, a thousand head of cattle.
(n.) The seat of the intellect; the brain; the understanding; the mental faculties; as, a good head, that is, a good mind; it never entered his head, it did not occur to him; of his own head, of his own thought or will.
(n.) The source, fountain, spring, or beginning, as of a stream or river; as, the head of the Nile; hence, the altitude of the source, or the height of the surface, as of water, above a given place, as above an orifice at which it issues, and the pressure resulting from the height or from motion; sometimes also, the quantity in reserve; as, a mill or reservoir has a good head of water, or ten feet head; also, that part of a gulf or bay most remote from the outlet or the sea.
(n.) A headland; a promontory; as, Gay Head.
(n.) A separate part, or topic, of a discourse; a theme to be expanded; a subdivision; as, the heads of a sermon.
(n.) Culminating point or crisis; hence, strength; force; height.
(n.) Power; armed force.
(n.) A headdress; a covering of the head; as, a laced head; a head of hair.
(n.) An ear of wheat, barley, or of one of the other small cereals.
(n.) A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.
(n.) A dense, compact mass of leaves, as in a cabbage or a lettuce plant.
(n.) The antlers of a deer.
(n.) A rounded mass of foam which rises on a pot of beer or other effervescing liquor.
(n.) Tiles laid at the eaves of a house.
(a.) Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook.
(v. t.) To be at the head of; to put one's self at the head of; to lead; to direct; to act as leader to; as, to head an army, an expedition, or a riot.
(v. t.) To form a head to; to fit or furnish with a head; as, to head a nail.
(v. t.) To behead; to decapitate.
(v. t.) To cut off the top of; to lop off; as, to head trees.
(v. t.) To go in front of; to get in the front of, so as to hinder or stop; to oppose; hence, to check or restrain; as, to head a drove of cattle; to head a person; the wind heads a ship.
(v. t.) To set on the head; as, to head a cask.
(v. i.) To originate; to spring; to have its source, as a river.
(v. i.) To go or point in a certain direction; to tend; as, how does the ship head?
(v. i.) To form a head; as, this kind of cabbage heads early.
Example Sentences:
(1) This study was undertaken to determine whether the survival of Hispanic patients with squamous cell carcinoma of the head and neck was different from that of Anglo-American patients.
(2) An association of cyclophosphamide, fluorouracil and methotrexate already employed with success against solid tumours in other sites was used in the treatment of 62 patients with advanced tumours of the head and neck.
(3) Head-injured patients had a low thyroxine (T4), low triiodothyronine (T3), and high reverse T3.
(4) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
(5) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(6) Businesses fleeing Brexit will head to New York not EU, warns LSE chief Read more Amid attempts by Frankfurt, Paris and Dublin to catch possible fallout from London, Sir Jon Cunliffe said it was highly unlikely that any EU centre could replicate the services offered by the UK’s financial services industry.
(7) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(8) A substance with a chromatographic mobility of Rf = 0.8 on TLC plates having an intact phosphorylcholine head group was also formed but has not yet been identified.
(9) Lin Homer's CV Lin Homer left local for national government in 2005, giving up a £170,000 post as chief executive of Birmingham city council after just three years in post, to head the Immigration Service.
(10) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
(11) Both Ken Whisenhunt and Lovie Smith were fired as head coaches after the 2012 season.
(12) Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification.
(13) Eight cases of calcification following anterior dislocation of the head of the radius are described.
(14) Younge, a former head of US cable network the Travel Channel, succeeded Peter Salmon in the role last year.
(15) Martin Wheatley will remain head of the Conduct Business Unit and become the future chief executive of the FCA.
(16) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
(17) This study reviewed 148 patients who had received radiation for head and neck cancer.
(18) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
(19) The authors describe a new technique for evaluating traumatic conditions to the elbow: the radial head-capitellum view.
(20) Nick Robins, head of the Climate Change Centre at HSBC, said: "If you think about low-carbon energy only in terms of carbon, then things look tough [in terms of not using coal].
Jack
Definition:
(n.) A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow.
(n.) A familiar nickname of, or substitute for, John.
(n.) An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic.
(n.) A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat.
(n.) A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack
(n.) A device to pull off boots.
(n.) A sawhorse or sawbuck.
(n.) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack.
(n.) A wooden wedge for separating rocks rent by blasting.
(n.) A lever for depressing the sinkers which push the loops down on the needles.
(n.) A grating to separate and guide the threads; a heck box.
(n.) A machine for twisting the sliver as it leaves the carding machine.
(n.) A compact, portable machine for planing metal.
(n.) A machine for slicking or pebbling leather.
(n.) A system of gearing driven by a horse power, for multiplying speed.
(n.) A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
(n.) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper.
(n.) In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.
(n.) A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack.
(n.) The small bowl used as a mark in the game of bowls.
(n.) The male of certain animals, as of the ass.
(n.) A young pike; a pickerel.
(n.) The jurel.
(n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou.
(n.) The wall-eyed pike.
(n.) A drinking measure holding half a pint; also, one holding a quarter of a pint.
(n.) A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also union jack. The American jack is a small blue flag, with a star for each State.
(n.) A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also jack crosstree.
(n.) The knave of a suit of playing cards.
(n.) A coarse and cheap mediaeval coat of defense, esp. one made of leather.
(n.) A pitcher or can of waxed leather; -- called also black jack.
(v. i.) To hunt game at night by means of a jack. See 2d Jack, n., 4, n.
(v. t.) To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.
Example Sentences:
(1) A remarkably close relationship was found between both H. pylori urease subunits and jack bean (Canavalia ensiformis) urease, the subunit of which is a single 840 amino acid polypeptide.
(2) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
(3) Jack Straw, foreign secretary at the time of the Iraq war, took a less dramatic view.
(4) precursor phaseolin) is incubated with jack bean alpha-mannosidase show that the high mannose glycan on Asn252, but not the one on Asn341, is susceptible to enzyme degradation.
(5) "My wonderful, brave and adored father, Jack Ashley, Lord Ashley of Stoke, has died after a short battle with pneumonia."
(6) 9.31am BST Jack Straw , the Labour former home secretary, was on the Today programme earlier talking about the "plebgate" affair.
(7) This communication reviews the almost 40 years of studies by Jack Metcoff, MD, and coworkers to unravel the causes of fetal malnutrition and their efforts to prevent it.
(8) "Most of the grain produced on our farm ends up bound for export," said Jack McCormick, who raises beef cattle and grain with his father.
(9) Jack Straw's detailed blueprint for a 300- strong, wholly elected upper chamber to replace the Lords appears to have been blocked at the last minute following resistance in cabinet.
(10) His opposite number, Roy Carroll, saved at the feet of Sinclair, the County striker Izale McLeod drove inches wide, but in the 24th minute Villa were level, Jack Grealish dancing through a series of attempted tackles before putting the ball on a plate inside the penalty area for the hugely promising Adama Traoré to thump past Carroll.
(11) The manager added that City would also be without Kolo Touré, Abdul Razak and Jack Rodwell, who has a hamstring problem.
(12) Comment is free contributor Jack Monroe made the Guardian shortlist and got one commenter's You Tell Us award for Outstanding Excellence in the field of Talking Sense .
(13) The link between the conditions has not yet been discovered, but here Jack Wall and colleagues develop the theory that an autoimmune response to a 64 kDa antigen expressed on both thyroid and eye muscle membranes is responsible for this thyroid-associated ophthalmopathy.
(14) Fellow co-founder Jack Dorsey could make around half that.
(15) Other high-profile absentees include Danny Welbeck, Jack Wilshere, Luke Shaw and Jordan Henderson.
(16) Onerous new regulations could threaten the shale energy revolution, America’s role as a global energy superpower, and the dramatic reductions in CO2 emissions made possible by an abundant and affordable domestic supply of clean-burning natural gas,” Jack Gerrard, president of the American Petroleum Institute, said in a statement.
(17) The American has not secured a major title since Torrey Pines for the 2008 US Open and, while overhauling Jack Nicklaus's record total of 18 majors was once a matter of "when", it is now very much a case of "if".
(18) By N-terminal analysis, the 29.5-kDa subunit of H. pylori urease was found to share significant amino acid sequence similarity with the smallest of three subunits of the Proteus mirabilis and Morganella morganii ureases, as well as to the amino terminus of the unique jack bean subunit.
(19) Outside-funded overseas travel was also declared, including a visit to the Paris Air show for the Tory MP Jack Lopresti and his researcher, paid for by the global missile company MBDA.
(20) Even Jack Straw is trying to close down some of its overripe practices.