/ Dictionary / Index P proprioceptor: Meaning and Definition of Find definitions for: pro•pri•o•cep•tor Pronunciation: (prō"prē-u-sep'tur), [key] — n. Physiol. a receptor located in subcutaneous tissues, as muscles, tendons, and joints, that responds to stimuli produced within the body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proprioceptor (Thesaurus) proprioceptive proprio motu* Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language