Hypertext Webster Gateway: "cavity"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cavity \Cav"i*ty\, n.; pl. {Cavities}. [L. cavus hollow: cf. F.
cavit['e].]
1. Hollowness. [Obs.]
The cavity or hollowness of the place. --Goodwin.
2. A hollow place; a hollow; as, the abdominal cavity.
An instrument with a small cavity, like a small
spoon. --Arbuthnot.
Abnormal spaces or excavations are frequently formed
in the lungs, which are designated cavities or
vomic[ae]. --Quain.
{Body cavity}, the c[oe]lum. See under {Body}.
From WordNet (r) 1.7 (wn)
cavity
n 1: a sizeable hole (usually in the ground); "they dug a pit to
bury the body" [syn: {pit}]
2: space that is surrounded by something [syn: {enclosed space}]
3: soft decayed area in a tooth; progressive decay can lead to
the death of a tooth [syn: {caries}, {dental caries}, {tooth
decay}]
4: (anatomy) a natural hollow or sinus within the body [syn: {bodily
cavity}, {cavum}]
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