Pacinian corpuscle: Meaning and Definition of

Pa•cin'i•an cor'puscle

Pronunciation: (pu-sin'ē-un), [key]
— n.
  1. (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.