- A letter, or character, belonging to the written language of
the ancient Norsemen, or Scandinavians; in a wider sense, applied to
the letters of the ancient nations of Northern Europe in general. - Old Norse poetry expressed in runes.
Meaning of 'rune' (Princeton's WordNet)
1 . rune
[ n]
Meaning (1): - any character from an ancient Germanic alphabet used in Scandinavia from the 3rd century to the Middle Ages