hero meaning and definition

HERO noun

Definition of hero (noun)

1. a man distinguished by exceptional courage and nobility and strength
   • "RAF pilots were the heroes of the Battle of Britain"
2. the principal character in a play or movie or novel or poem
3. someone who fights for a cause
   • synonyms: champion, fighter, paladin
4. Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
   • synonyms: Hero of Alexandria, Heron
5. (classical mythology) a being of great strength and courage celebrated for bold exploits; often the offspring of a mortal and a god
6. (Greek mythology) priestess of Aphrodite who killed herself when her lover Leander drowned while trying to swim the Hellespont to see her
7. a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
   • synonyms: bomber, Cuban sandwich, grinder, hero sandwich, hoagie, hoagy, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep