/ Dictionary / Index M mainour: Meaning and Definition of Find definitions for: main•our Pronunciation: (mā'nur), [key] — n. Old Eng. Law. a stolen article found on the person of or near the thief: to be taken with the mainour. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. main memory mains Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language