Cav"i*ty (?), n.; pl. Cavities (#). [L. cavus hollow: cf. F. cavité.] 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
Abnormal spaces or excavations are frequently formed in the lungs, which are designated cavities or vomicæ. Quain.
Body cavity, the cœlum. See under Body.