ofngrjótnafnorðhvorugkynofn-grjótn. pl. oven-stones, bricks (?), Fms. vii. 323, viii. 166 (referring to the latter part of the 12th century).Skammstafanir og tilvitnanirn.hvorugkyn (e. neuter)pl.fleirtala (e. plural)Fms.Fornmanna sögur. (E. I.)