/ Dictionary / Index D decern: Meaning and Definition of Find definitions for: de•cern Pronunciation: (di-sûrn'), [key] — v.i. to enter a judicial decree. —v.t. to discern. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decerebrate decertify Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language