Rune

noun

1. A letter, or character, belonging to the written language of various ancient Germanic peoples, especially the Scandinavians and the Anglo-Saxons.
2. A Finnish or Scandinavian epic poem, or a division of one, especially a division of the Kalevala.
3. A letter or mark used as mystical or magic symbol.
4. A verse or song, especially one with mystical or mysterious overtones; a spell or an incantation.
5. A roun (secret or mystery).