/ Dictionary / Index P prosthetist: Meaning and Definition of Find definitions for: pros•the•tist Pronunciation: (pros'thi-tist), [key] — n. a person skilled in making or fitting prosthetic devices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prosthetist (Thesaurus) prosthetics prosthion Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language