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n. pl. hy·po·ge·a (-jē′ə)
1. A subterranean chamber of an ancient building.
2. An ancient subterranean burial chamber, such as a catacomb.
[Latin hypogēum, from Greek hupogeion, from neuter of hupogeios, underground; see hypogeal.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -gea (-ˈdʒiːə)
(Architecture) an underground vault, esp one used for burials
[C18: from Latin, from Greek hupogeion; see hypogeal]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
hy•po•ge•um(ˌhaɪ pəˈdʒi əm)
n., pl. -ge•a (-ˈdʒi ə)
1. the underground part of an ancient building, as a vault.
2. an underground burial chamber.
[1700–10; < Latin hypogēum < Greek hypógeion underground chamber, n. use of neuter of hypógeios; see hypogeal]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.