/ Dictionary / Index P piroxicam: Meaning and Definition of Find definitions for: pi•rox•i•cam Pronunciation: (pī-rok'si-kam"), [key] — n. Pharm. a white crystalline solid substance, CHNOS, used in the symptomatic treatment of osteoarthritis and rheumatoid arthritis and other musculoskeletal disorders. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: piroxicam (Thesaurus) pirouette Pisa Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language