Dictionary
cav•ern
Pronunciation: (kav'urn), [key]—
n.
1. a cave, esp. one that is large and mostly underground.
2. Pathol.a cavity that is produced by disease, esp. one produced in the lungs by tuberculosis.
—
v.t.
1. to enclose in or as if in a cavern.
2. to hollow out to form a cavern.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.