/ Dictionary / Index G Guelders: Meaning and Definition of Find definitions for: Guel•ders Pronunciation: (gel'durz), [key] — n. Gelderland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. guelder rose Guelph 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