/ Dictionary / Index R rhamphotheca: Meaning and Definition of Find definitions for: rham•pho•the•ca Pronunciation: (ram"fu-thē'ku), [key] — n. the horny covering of a bird's bill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rhamnose rhapsodic Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language