A person's head or brain.
The space, often unfinished and with sloped walls, directly below the roof in the uppermost part of a house or other building, generally used for storage or habitation.
Any of the genus Cryptopus of orchids of Madagascar and Mauritius.
A small pit or cavity in the surface of an organ or other structure.
Any of the genus Cryptocoryne of aquatic plants of southern and southeastern Asia.
An underground vault, especially one beneath a church that is used as a burial place.