/ Dictionary / Index S signer: Meaning and Definition of Find definitions for: sign•er Pronunciation: (sī'nur), [key] — n. a person who signs. a person who writes his or her name, as in token of agreement. a person who communicates by or interprets into sign language. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: signer (Thesaurus) signee signet Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language