/ Dictionary / Index P probenecid: Meaning and Definition of Find definitions for: pro•ben•e•cid Pronunciation: (prō-ben'u-sid), [key] — n. Pharm. a white, crystalline, water-insoluble powder, CHNOS, used chiefly in the treatment of gout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: probenecid (Thesaurus) probe probie Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language