/ Dictionary / Index R ramentum: Meaning and Definition of Find definitions for: ra•men•tum Pronunciation: (ru-men'tum), [key] — pl. -ta a scraping, shaving, or particle. one of the thin, chafflike scales covering the shoots or leaves of certain ferns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ramentaceous ramequin Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language