/ Dictionary / Index R raphides: Meaning and Definition of Find definitions for: raph•i•des Pronunciation: (raf'i-dēz"), [key] — n.pl. Bot. acicular crystals, usually composed of calcium oxalate, that occur in bundles in the cells of many plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. raphia -raphy 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