Uggi

Meaning of Old Norse word "uggi"

As defined by the Cleasby & Vigfusson Old Norse to English dictionary:

uggi

a, m. a fin of a rish; eyr-uggi, a fore fin; bak-uggi, a back fin; the word seems, strange to say, not to occur in old writers; cp. the following word.

Possible runic inscription in Younger Futhark:ᚢᚴᚴᛁ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements