/ Dictionary / Index C centrum: Meaning and Definition of Find definitions for: cen•trum Pronunciation: (sen'trum), [key] — pl. -trums, -tra a center. the body of a vertebra. collectively, all the structures enclosed within the ascocarp of a fungus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: centrum (Thesaurus) centrosymmetric cent sign Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language