Crypt

Part of speech: noun (n.)

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. Priesthood works out its task age after age, . . . treasuring in convents and crypts the few fossils of antique learning. Motley. My knees are bowed in crypt and shrine. Tennyson.

2. A simple gland, glandular cavity, or tube; a follicle; as, the cryps of Lieberk.