Wiktionary
cavemouth
n. The mouth or entrance of a cave.
Usage examples of "cavemouth".
An enormous fire blazed in a pit at the far end of the room, its smoke being sucked back through a crevice in the rock wall, above a pair of cavemouths running anywhere.
They took off in compact groups, darting out of the cavemouth into the sunlight.
But the configuration revealed on the ceiling by the phosphor-light of servant insects remained firm, as steady as the patch of stars standing in the cavemouth beyond the messengers.
They took off in compact groups, darting out of the cavemouth into the sunlight.