crypt
noun
[ krɪpt ]
• an underground room or vault beneath a church, used as a chapel or burial place.
Similar:
tomb,
vault,
mausoleum,
burial chamber,
sepulchre,
catacomb,
ossuary,
undercroft,
cellar,
basement,
mastaba,
• a small tubular gland, pit, or recess.
Origin:
late Middle English (in the sense ‘cavern’): from Latin crypta, from Greek kruptē ‘a vault’, from kruptos ‘hidden’.
