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A bladderlike vessel; a membranous cavity; a cyst; a cell. Specifically: --(a) (Bot.)

A cavity into which, in certain bryozoans, the esophagus and anus open.

ds. Visceral arches (Anat.), the bars or ridges between the visceral clefts. -- Visceral cavity or tube (Anat.), the ventral cavity of a vertebrate, which contains the alimentary canal, as distinguished from the dorsal, or cerebro-spinal, canal. -- Visceral clefts (Anat.), transverse clefts on the sides just back of…

An abscess cavity in the lungs.

of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity or vacuum in the center of the circle, and to draw in towards the center bodies subject to its action; the form assumed by a fluid in such motion; a whirlpool; an eddy.

A cavity in a lode; -- called also vogle.

ocephalus, some of which, as O. marulius, become over four feet long. They have a special cavity over the gills lined with a membrane adapted to retain moisture to aid in respiration, and are thus able to travel considerable distances over the land at night, whence the name. They construct a curious nest for their youn…

A cavity made in the earth by a torrent of water; a washout.

A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes. W. M. Buchanan.

a body of water where the water moves round in a circle so as to produce a depression or cavity in the center, into which floating objects may be drawn; any body of water having a more or less circular motion caused by its flowing in an irregular channel, by the coming together of opposing currents, or the like.…

An instrument in which gas or steam forced into a cavity, or against a thin edge, produces a sound more or less like that made by one who whistles through the compressed lips; as, a child's whistle; a boatswain's whistle; a steam whistle (see Steam whistle, under Steam). The bells she jingled, and the whistle blew. Pop…

Any cavity containing and enveloping anything. The center spike of gold Which burns deep in the bluebell's womb. R. Browning.