2. Worthy of a hero; bold; daring; brave; illustrious; as, heroic action; heroic enterprises.
3. Larger than life size, but smaller than colossal; said of the representation of a human figure. Heroic age, the age when the heroes, or those called the children of the gods, are supposed to have lived. Heroic poetry, that which celebrates the deeds of a hero; epic poetry.
(Science: medicine) heroic treatment or remedies, the verse of heroic or epic poetry, being in english, german, and Italian the iambic of ten syllables; in french the iambic of twelve syllables; and in classic poetry the hexameter.