/ Dictionary / Index R Ruffini's corpuscle: Meaning and Definition of Find definitions for: Ruf•fi'ni's cor"puscle Pronunciation: (r-fē'nēz), [key] — Anat. Anat. an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ruffianism ruffle Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language