The Collaborative International Dictionary of English v.0.48:

Heroic \He*ro"ic\, a. [F. h['e]ro["i]que, L. hero["i]cus, Gr.
   "hrwi:ko`s.]
   1. Of or pertaining to, or like, a hero; of the nature of
      heroes; distinguished by the existence of heroes; as, the
      heroic age; an heroic people; heroic valor.
      [1913 Webster]

   2. Worthy of a hero; bold; daring; brave; illustrious; as,
      heroic action; heroic enterprises.
      [1913 Webster]

   3. (Sculpture & Painting) Larger than life size, but smaller
      than colossal; -- said of the representation of a human
      figure.
      [1913 Webster]

   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.

   Heroic treatment or Heroic remedies (Med.), treatment or
      remedies of a severe character, suited to a desperate
      case.

   Heroic verse (Pros.), 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.

   Syn: Brave; intrepid; courageous; daring; valiant; bold;
        gallant; fearless; enterprising; noble; magnanimous;
        illustrious.
        [1913 Webster]

WordNet (r) 3.0 (2006):

heroic poetry
    n 1: poetry celebrating the deeds of some hero [syn: heroic
         poetry, epic poetry]