Cavern

имя существительное 1) пещера (особенно глубокая) Синоним(ы): cave 2) [медицина] каверна; полость

Большой англо-русский словарь

Cavern

I. noun Etymology: Middle English caverne, from Middle French, from Latin caverna, from cavus cave; especially one of large or indefinite extent II. transitive verb 1. to place in or as if in a cavern 2. to form a cavern of; hollow — used with out

Merriam-Webster's Collegiate Dictionary