Definition from Wiktionary, the free dictionary
- (obsolete) A temple dedicated to a hero, often over his supposed tomb.
- A sepulchral monument in the form of a small temple.
- In Ancient Greece, a monument to a dead hero, and now the relics they find are most well preserved at heroons, like vases or pots with references to the deeds of Herakles, or Calydon.
- accusative singular of heroo