cavern Meaning, Definition & Usage

  1. noun any large dark enclosed space
    • his eyes were dark caverns
  2. noun a large cave or a large chamber in a cave
  3. verb hollow out as if making a cavern
    cavern out.

WordNet

Cav"ern noun
Etymology
L. caverna, fr. cavus hollow: cf. F. caverne.
Definitions
  1. A large, deep, hollow place in the earth; a large cave.

Webster 1913