/ Dictionary / Index A arthroplasty: Meaning and Definition of Find definitions for: ar•thro•plas•ty Pronunciation: (är'thru-plas"tē), [key] — n. the surgical repair of a joint or the fashioning of a movable joint, using the patient's own tissue or an artificial replacement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arthroplasty (Thesaurus) arthropathy arthropod Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language