crypt (kr?pt)n.1. An underground vault or chamber, especially one beneath a church that is used as a burial place.2. Anatomy A small pit, recess, or glandular cavity in the body.[Latin crypta, from Greek krupt?, from feminine of kruptos, hidden, from kruptein, to hide.]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.crypt (kr?pt) n1. (Ecclesiastical Terms) a cellar, vault, or underground chamber, esp beneath a church, where it is often used as a chapel, burial place, etc2. (Anatomy) anatomy any pitlike recess or depression[C18: from Latin crypta, from Greek krupt? vault, secret place, from kruptos hidden, from kruptein to hide] ?cryptal adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014crypt (kr?pt) n. 1. a subterranean chamber or vault, esp. one beneath the main floor of a church, used as a burial place, a location for secret meetings, etc. 2. Anat. a. any recess or depression. b. a small glandular cavity. [1555?65;