/ Dictionary / Index S sanctum: Meaning and Definition of Find definitions for: sanc•tum Pronunciation: (sangk'tum), [key] — pl. -tums, -ta a sacred or holy place. an inviolably private place or retreat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sanctum (Thesaurus) sanctuary sanctum sanctorum Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language