Main Entry: he·ro Pronunciation: \?hir-(?)?\ Function: noun Inflected Form(s): plural heroes Etymology: Latin heros, from Greek h?r?s Date: 14th century 1 a: a mythological or legendary figure often of divine descent endowed with great strength or ability b: an illustrious warrior c: a man admired for his achievements and noble qualities d: one that shows great courage 2 a: the principal male character in a literary or dramatic work b: the central figure in an event, period, or movement 3plural usually heros : submarine 2 4: an object of extreme admiration and devotion : idol