What's the difference between floor and floorless?

Floor

Definition:

(n.) The bottom or lower part of any room; the part upon which we stand and upon which the movables in the room are supported.
(n.) The structure formed of beams, girders, etc., with proper covering, which divides a building horizontally into stories. Floor in sense 1 is, then, the upper surface of floor in sense 2.
(n.) The surface, or the platform, of a structure on which we walk or travel; as, the floor of a bridge.
(n.) A story of a building. See Story.
(n.) The part of the house assigned to the members.
(n.) The right to speak.
(n.) That part of the bottom of a vessel on each side of the keelson which is most nearly horizontal.
(n.) The rock underlying a stratified or nearly horizontal deposit.
(n.) A horizontal, flat ore body.
(v. t.) To cover with a floor; to furnish with a floor; as, to floor a house with pine boards.
(v. t.) To strike down or lay level with the floor; to knock down; hence, to silence by a conclusive answer or retort; as, to floor an opponent.
(v. t.) To finish or make an end of; as, to floor a college examination.

Example Sentences:

(1) These results suggest that the pelvic floor is affected by progressive denervation but descent during straining tends to decrease with advancing age.
(2) Exudative inflammatory processes predominate in the ulcer floor.
(3) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
(4) In reconstruction of the orbital floor, homograft lyophilised dura or cialit-stord rib cartilage are suitable, but the best materials are autologous cartilage or silastic or teflon.
(5) Calves were fed milk replacer twice daily while housed indoors in wooden-slatted floor box crates (metabolism cages).
(6) Patients with cancer of floor of the mouth and oral tongue had higher odds ratios for alcohol drinking than subjects with cancers of other sites.
(7) There are men who have been here for 15, 20 years or more who have never even sat in the cars because no one on the floor can afford to buy one.
(8) Radiological examination provides more accurate indications for plastic surgery of the pelvic floor, influences the operative procedures and permits better evaluation of operative results.
(9) Pelvic floor location and mobility did not differ between controls and constipated patients.
(10) It was found that within the dorsal part of the well known pressor area there is a narrow strip, 2.5 mm lateral from the mid line, starting ventral to the inferior colliculus and ending in the medulla close to the floor of the IV ventricle, from which vasodilatation in skeletal muscles is selectively obtained.
(11) It was my first day as a journalist, at the Evening Standard's Londoner's Diary, situated on the floor below.
(12) His office - with a floor-to-ceiling glass wall offering views over a Bradford suburb and distant moors - is devoid of knick-knacks or memorabilia.
(13) • Gaddafi's many eccentricities, including phobias about flying over water and staying above ground floor level.
(14) Standing as he explains the book's take-home point, Miliband recalls the author Michael Lewis's research showing that a quarter-back is the most highly paid player, but because they throw with their right arm they can often be floored by an attacker from their blindside.
(15) He points to the seat where his friend was hit; he says only pride prevents him from lying on the floor for the entire journey.
(16) The first-floor lounge is decorated in plush deep pink, with a mix of contemporary and neoclassical decor, and an antique dining table and chandelier.
(17) "The problem in the community is that the elderly who live on their own on ground floors are frightened to open the windows because of vandalism and burglary," he says.
(18) April 17, 2013 The third floor isn't doing so well either: Rebecca Berg (@rebeccagberg) Capitol police email Senate offices: Police "are responding to a suspicious envelope on the third floor of the Hart Senate Office Building."
(19) But congressional aides said that House speaker John Boehner has not communicated his intentions for a floor vote to Sensenbrenner.
(20) The effects of maxillary protracting bow appliance were the maxillary forward movement associated with counter-clockwise rotation of the nasal floor and the mandibular backward movement associated with clockwise rotation.