Víking

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

víking

f. freebooting voyage, piracy, (hann var í v. á sumrum ok fekk sér fjár); liggja í ~u ok hernaði, to be engaged in freebooting expedition and warfare; fara í v., to go out on a freebooting expedition.

Possible runic inscription in Younger Futhark:ᚢᛁᚴᛁᚾᚴ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norse - Cleasby & Vigfusson Dictionary
• Old Norwegian - Johan Fritzner's Dictionary