Cav"i*ty (?), n.; pl.
Cavities (#). [L. cavus hollow: cf. F.
cavité.] 1. Hollowness.
The cavity or hollowness of the place.
2. A hollow place; a hollow; as, the
An instrument with a small cavity, like a
Abnormal spaces or excavations are frequently
formed in the lungs, which are designated cavities or
Body cavity, the cœlum. See under