From The Collaborative International Dictionary of English v.0.48:
Crypt \Crypt\ (kr[i^]pt), n. [L. crypta vault, crypt, Gr.
kry`pth, fr. kry`ptein to hide. See Grot, Grotto.]
1. A vault wholly or partly under ground; especially, a vault
under a church, whether used for burial purposes or for a
subterranean chapel or oratory.
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Priesthood works out its task age after age, . . .
treasuring in convents and crypts the few fossils of
antique learning. --Motley.
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My knees are bowed in crypt and shrine. --Tennyson.
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2. (Anat.) A simple gland, glandular cavity, or tube; a
follicle; as, the crypts of Lieberk["u]hn, the simple
tubular glands of the small intestines.
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