FROSTAnafnorðhvorugkynn. the name of a county in Norway where a parliament, Frosta-þing, was held; hence Frostaþings-lög, n. pl. the laws of the county Frosta, N. G. L. Frostaþings-bók, f. the code of this law, N. G. L. i. 126, Fms. passim.