/ Dictionary / Index M macho: Meaning and Definition of Find definitions for: ma•cho Pronunciation: (mä'chō), [key] — adj., n., pl. -chos. —adj. having or characterized by qualities considered manly, esp. when manifested in an assertive, self-conscious, or dominating way. having a strong or exaggerated sense of power or the right to dominate. —n. assertive or aggressive manliness; machismo. an assertively virile, dominating, or domineering male. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: macho (Thesaurus) mach number Machpelah Related Content Daily Word Quiz: overture Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language