1) Celtic music group 2) Japanese feminine given name 3) Scandinavian girl name 4) Words before fever or risk 
Latin, meaning: a dart. 
Runa is a Scandinavian name for girls. The meaning is `secret belief` The name Runa is most commonly given to Norwegian girls. The chances are 100 times greater that girls are called Runa there. Use for the other sex: Rune