antre

enUK Related to antre: entree

an·tre

A0353600 (ăn′tər)n. A cavern; a cave.
[French, from Latin antrum; see antrum.]

antre

(ˈæntə) n (Physical Geography) archaic a cavern or cave[C17: from French, from Latin antrum, from Greek antron]

an•tre

(ˈæn tər)

n. a cavern; cave. [1595–1605; < Middle French < Latin antrum.]