/ Dictionary / Index R Ryder: Meaning and Definition of Find definitions for: Ry•der Pronunciation: (rī'dur), [key] — n. 1847–1917, U.S. painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rydberg rye Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language