/ Dictionary / Index M murrain: Meaning and Definition of Find definitions for: mur•rain Pronunciation: (mûr'in), [key] — n. any of various diseases of cattle, as anthrax, foot-and-mouth disease, and Texas fever. a plague or pestilence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: murrain (Thesaurus) murra Murray Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language