/ Dictionary / Index P Pacinian corpuscle: Meaning and Definition of Find definitions for: Pa•cin'i•an cor'puscle Pronunciation: (pu-sin'ē-un), [key] — n. (sometimes l.c.) a microscopic, onionlike body consisting of layers of connective tissue wrapped around a nerve ending, located in the deep layers of skin, tendons, etc., and functioning as a sensory receptor of pressure and vibration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pacify pack Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language