/ Dictionary / Index S secern: Meaning and Definition of Find definitions for: se•cern Pronunciation: (si-sûrn'), [key] — v.t. to discriminate or distinguish in thought. —v.i. to become secerned. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: secern (Thesaurus) secede secession Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language