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A central floor timber, as a girder, or a piece reaching from a wall to a girder. Called also summertree.

A kind of mop for cleaning floors, the desks of vessels, etc., esp. one made of rope-yarns or threads.

One who swabs a floor or desk. Shak.

st, etc.; to brush, or rub over, with a broom for the purpose of cleaning; as, to sweep a floor, the street, or a chimney. Used also figuratively. I will sweep it with the besom of destruction. Isa. xiv. 23.

A long dress, trailing on the floor, worn by tragic actors in Greek and Roman theaters.

all and the other on a girder; also, the space between a wall and the nearest girder of a floor. Cf. Case-bay.

One of the timbers which tail into a header, in floor framing. See Illust. of Header.

board that is laid upon a wall as a sort of plate, to give a level surface to the ends of floor timbers; -- rarely used in the United States. Tassel flower (Bot.), a name of several composite plants of the genus Cineraria, especially the C. sconchifolia, and of the blossoms which they bear.

es. -- To tear up, to rip up; to remove from a fixed state by violence; as, to tear up a floor; to tear up the foundation of government or order.

Rounded; as, the teretial tracts in the floor of the fourth ventricle of the brain of some fishes. Owen.

To form into squares or checkers; to lay with checkered work. The floors are sometimes of wood, tessellated after the fashion of France. Macaulay.

The floor of a coal mine. Raymond. Thill coupling, a device for connecting the thill of a vehicle to the axle.

a. & n. from Thrash, v. Thrashing floor, Threshing-floor, or Threshing floor, a floor or area on which grain is beaten out. -- Thrashing machine, a machine for separating grain from the straw.

that which it fastens, or in which it is fixed. -- Through bridge, a bridge in which the floor is supported by the lower chords of the tissues instead of the upper, so that travel is between the trusses and not over them. Cf. Deck bridge, under Deck. -- Through cold, a deep-seated cold. [Obs.] Holland. -- Through st…

nd (Anat.), a glandlike but ductless body, or pair of bodies, of unknown function, in the floor of the mouth or the region of the larynx. In man and most mammals it is a highly vascular organ, partly surrounding the base of the larynx and the upper part of the trachea. -- Thyroid dislocation (Surg.), dislocation of th…

A plate, or thin piece, of baked clay, used for covering the roofs of buildings, for floors, for drains, and often for ornamental mantel works.

an organ situated in the floor of the mouth of most vertebrates and connected with the hyoid arch.

A lifting or sliding door covering an opening in a roof or floor.

A beam, into which are framed the ends of headers in floor framing, as when a hole is to be left for stairs, or to avoid bringing joists near chimneys, and the like. See Illust. of Header.

admitted to quotation in the unlisted department, that is, admitted to be dealt in on the floor, but not to the "regular list."