indicate the level to which a name has been verified.
Meaning & History
Likely means "drill-tooth" or "bore-tooth" from Rati, the name of a legendary drill or auger, and Old Norse -toskr meaning "tusk, tooth". In Norse mythology Ratatoskr is a squirrel who runs up and down the world tree Yggdrasil to carry messages between the eagle perched atop the tree, and the serpent Níðhöggr, who lives beneath the roots of the tree.