crypt

/kษนษชpt/

IPA: /K R IH1 P T/

noun
  1. 1

    A cave or cavern.

  2. 2

    An underground vault, especially one beneath a church that is used as a burial place.

  3. 3

    A small pit or cavity in the surface of an organ or other structure.

Source: https://en.wiktionary.org/wiki/crypt