sanctum sanctorum: Meaning and Definition of

sanc'tum sanc•to'rum

Pronunciation: (sangk-tôr'um, -tōr'-), [key]
  1. the holy of holies of the Biblical tabernacle and the Temple in Jerusalem.
  2. sanctum (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.