(n.) Any fresh-water fish of the genus Perca and of several other allied genera of the family Percidae, as the common American or yellow perch (Perca flavescens, / Americana), and the European perch (P. fluviatilis).
(n.) Any one of numerous species of spiny-finned fishes belonging to the Percidae, Serranidae, and related families, and resembling, more or less, the true perches.
(n.) A pole; a long staff; a rod; esp., a pole or other support for fowls to roost on or to rest on; a roost; figuratively, any elevated resting place or seat.
(n.) A measure of length containing five and a half yards; a rod, or pole.
(n.) In land or square measure: A square rod; the 160th part of an acre.
(n.) In solid measure: A mass 16/ feet long, 1 foot in height, and 1/ feet in breadth, or 24/ cubic feet (in local use, from 22 to 25 cubic feet); -- used in measuring stonework.
(n.) A pole connecting the fore gear and hind gear of a spring carriage; a reach.
(v. i.) To alight or settle, as a bird; to sit or roost.
(v. t.) To place or to set on, or as on, a perch.
(v. t.) To occupy as a perch.
Example Sentences:
(1) A sensitive radioimmunoassay (RIA) for the measurement of metallothionein (MT) from perch (Perca fluviatilis) has been developed.
(2) • earthseasky.org North Zakynthos Potamitis Brothers, North Zakynthos Where to stay: Potamitis Brothers The brothers run boat trips (see below), but also own some rather special accommodation perched on the cliffs of Cape Skinari on the northern tip of Zakynthos.
(3) We tested 1,145 isolates from fresh and spoiling irradiated (0.0, 0.3, and 0.6 Mrad) yellow perch fillets for proteolytic activity, by the use of both media.
(4) In order to determine the most suitable cage environment for the squirrel monkey, a series of studies were carried out to compare various perch materials and cage configurations.
(5) Peering out from his Kremlin perch, Putin sees a European continent divided between wealthy and poor countries, between north and south, and senses an opportunity.
(6) Just a whisper between us, its about time some of the old guard got a hoot under their perch.
(7) Does he fancy winning the league again & knock Liverpool right off their perch?"
(8) Only a slight induction in monooxygenase activities was seen in perch caught near the oil spill 4 months after the accident.
(9) Those who remember the Two Davids of the 1987 SDP-Liberal Alliance will recall the exquisite agony only too well, cruelly captured by the Spitting Image puppet of little Steel perched in big Owen's pocket.
(10) Kerry McQuade whose home perched high up on Blenheim Street avoided the worst effects, said: "We had two hours of a torrential downpour, followed by continual rain, from lunchtime.
(11) The same phenomenon was observed for the perch and Crusian carp, with low nitrate concentrations, while with higher nitrate concentrations, the uptake levels were again increased.
(12) The rest of the week he drives to other city centres and commercial sites, with Emu sitting on a perch in a large wooden box in the back of the van.
(13) The separation of two isoforms of rainbow trout (Salmo gairdneri) metallothionein was possible by DEAE-Sephadex A-25 chromatography, while only one form of perch (Perca fluviatilis) metallothionein was obtained with this method.
(14) Lines of Syrian army troops circle Qerdaha, adding an additional defence to the natural protection offered by the mountain it perches on, overlooking Latakia.
(15) Cells of the gas gland of the perch Perca fluviatilis L., stimulated to increased generation of gas by the repeated emptying of the swim-bladder, were examined in the electron microscope.
(16) The total lipid content in the muscle of perch (Perca fluviatilis) and vendace (Coregonus albula) was less than 50% of that in rainbow trout and a seasonal variation was clear only in vendace.
(17) Perched in a grove of poplars and with prayer flags stretching away on all sides, Muktinath is Nepal's second-most sacred site for Hindus after Pashupatinath , which in comparison lies rather forlornly at the end of Kathmandu's international airport runway.
(18) Therefore we suggest that this purified form of cytochrome P-450 is a BNF-induced form in perch and that it is closely related to the gene subfamily cytochrome P-450 IA1.
(19) The Five senior programme controller, Chris Shaw, said: "Ten years on from the famous perch people are still obsessing with soft furnishings and the desk.
(20) The fortress-like villages perched on rocky mountaintops we saw when we visited the north of the country are reminders that Yemen has constantly been invaded, or otherwise meddled with, by outsiders, from the Turks onwards.
Roost
Definition:
(n.) Roast.
(v. t.) See Roust, v. t.
(n.) The pole or other support on which fowls rest at night; a perch.
(n.) A collection of fowls roosting together.
(v. i.) To sit, rest, or sleep, as fowls on a pole, limb of a tree, etc.; to perch.
(v. i.) Fig.; To lodge; to rest; to sleep.
Example Sentences:
(1) These chemical body burdens were obtained naturally under free-living conditions at the maternity roost.
(2) By exploiting this bat's preference to roost in crevices, we could separately measure O2 uptake during ventilatory bouts and apneic periods using a flow-through metabolic chamber with a small dead space volume and short time constant.
(3) Nevertheless I am thankful that Elizabeth Windsor has ruled the roost rather than some of those likely to have become president in her place.
(4) Facebook Twitter Pinterest An example of a rare Bechstein’s bat roost in a partially hollow oak tree, Finemere Wood, Buckinghamshire, ancient wood and nature reserve next to HS2 Photograph: Patrick Barkham for the Guardian After Prideaux dropped me off in a neighbour’s muddy farmyard, I climbed a hill into Finemere Woods, an ancient woodland owned by Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust .
(5) A survey was made by serology and virus isolation techniques on 387 wild free-flying birds that fed and roosted in the area.
(6) The improved performance with water-cooled over air-equilibrated roost treatments, especially during heat-stress periods, indicates that the water-cooled roosts minimized the deleterious effects of heat stress through conductive heat loss from the birds to the roost.
(7) The Tories had previously always been the very clear second place challengers in Brent East, particularly when Ken Livingstone ruled the local roost.
(8) Collections of this tick were associated with bat roosting sites in attics of houses.
(9) Birds roosting on the floor tended always to be the same individuals.
(10) Turnbull had “consistently talked down” the cost of the Coalition’s fibre to the node model “and now the chickens are coming home to roost”, Quigley wrote in the paper.
(11) A split-plot experiment was conducted in thermally controlled chambers using Columbian Plymouth Rock chickens to determine the effect of water-cooled roosts on performance in hot ambient conditions.
(12) Brains of juvenile gray bats, Myotis grisescens, found dead beneath maternity roosts in two Missouri caves contained lethal concentrations of dieldrin.
(13) Decreases in performance during the heat-stress period from the thermoneutral control values were: 5.95 and 13.1 percentage points for hen-day egg production, 22.2 and 34.8 percentage points for average daily feed intake, and 5.17 and 15.38 percentage points for hatchability in water-cooled and air-equilibrated roost treatments, respectively.
(14) Seven species of mites were recovered from 133 Brazilian free-tailed bats, Tadarida brasiliensis, and 94 big brown bats, Eptesicus fuscus, from February through November 1990 in colonies that shared roosting space in east-central Alabama.
(15) Plater's agent for many years was the terrifying Peggy Ramsay, whom he memorialised in his Hampstead theatre play, Peggy for You (1999), with Maureen Lipman giving one of her greatest performances, ruling the roost in her St Martin's Lane eyrie with the eccentric hauteur of a mad Russian empress.
(16) But four years after Greece went hypercritical, triggering a eurozone sovereign debt crisis and a reshaping of how the EU works, the social, economic and political costs of the upheaval are coming home to roost.
(17) Hens were housed in an apparatus consisting of an upper roosting chamber connected to two descending passages which led to separate identical feeding chambers.
(18) It is concluded that the water-cooled roost partially alleviated heat stress by lowering metabolic rate.
(19) Birds subjected to the water-cooled roost treatment had consistently higher performance than birds using the air-equilibrated roost under all three ambient temperatures.
(20) On top of that the SNP, which would doubtless rule the roost in the aftermath of a vote for independence it would rightly be seen to have brought about, is still no party of the centre-left.