/ Dictionary / Index R riprap: Meaning and Definition of Find definitions for: rip•rap Pronunciation: (rip'rap"), [key] — n., v., -rapped, -rap•ping. —n. a quantity of broken stone for foundations, revetments of embankments, etc. a foundation or wall of stones thrown together irregularly. —v.t. to construct with or strengthen by stones, either loose or fastened with mortar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ripply rip-roaring Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language