/ Dictionary / Index H hypogeum: Meaning and Definition of Find definitions for: hy•po•ge•um Pronunciation: (hī"pu-jē'um, hip"u-), [key] — pl. -ge•a the underground part of a building, as a vault. an underground burial chamber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypogenous hypoglossal Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language