[hy.po.ge.um] n, pl -gea [L, fr. Gk hypogaion, fr. neut. of hypogaios] (1706): the subterranean part of an ancient building; also: an ancient underground burial chamber
HYPOGEUM
Meaning of HYPOGEUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012