/ Dictionary / Index G Gwyn: Meaning and Definition of Find definitions for: Gwyn Pronunciation: (gwin), [key] — n. (“Nell”), 1650–87, English actress: mistress of Charles II. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gwyn (Thesaurus) Gwinnett Gwynedd Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language