/ Dictionary / Index R riverhead: Meaning and Definition of Find definitions for: riv•er•head Pronunciation: (riv'ur-hed"), [key] — n. the source or spring of a river. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. River Grove river horse Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language