As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- f. pl. [drynja], a rattling, thundering, Dan. drön.
Possible runic inscription in Younger Futhark:ᛏᚱᚢᚾᚢᚱ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements