/ Dictionary / Index C cowpox: Meaning and Definition of Find definitions for: cow•pox Pronunciation: (kou'poks"), [key] — n. Vet. Pathol. an eruptive disease appearing on the teats and udders of cows, in which small pustules form that contain a virus used in the vaccination of humans against smallpox. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cowpox (Thesaurus) cow pony COWPS Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language