1) Norwegian girl name 
In Norse mythology, Gróa (Old Norse `growing`) is a völva and practitioner of seiðr, the wife of Aurvandil the Bold. ==Attestations== ===Prose Edda=== Gróa appears in the Prose Edda book Skáldskaparmál, in the context of Thor`s battle with the jötunn Hrungnir. After Thor has dispatched Hrungnir with the hammer Mjollnir, Gróa is asked to......