Duna

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

duna Old Icelandic word can mean:

duna

I)

duna

(að), v. to boom, roar (dunar í skóginum).

duna

II)

duna

f. a rushing, thundering noise.

Possible runic inscription in Younger Futhark:ᛏᚢᚾᛅ

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