ma·cho I. \ˈmä(ˌ)chō\adjective Etymology: Spanish, male, from Latin masculus — more at male 1.: having or exhibiting machismo : aggressively virile < all their macho swagger and bravado — Burr Snider > 2.of a woman: having or exhibiting traditionally masculine traits < she wanted … to speak with authority and macho assertion — Carolyn Heilbrun > II. \"\noun (-s) 1.: machismo herein 2.: one who exhibits machismo