As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
- (pl. þönglar), m. stein of tangle (S. greip upp einn þöngulinn).
Possible runic inscription in Younger Futhark:ᚦᚢᚾᚴᚢᛚᛚ
Also available in related dictionaries:
This headword also appears in dictionaries of other languages closely related to Old Icelandic.