blástrjárnnafnorðhvorugkynblástr-járnn. blast iron, cast, not wrought, Grág. i. 501, Jb. 345.Skammstafanir og tilvitnanirn.hvorugkyn (e. neuter)Grág.Grágás. (B. I.)Jb.Jóns-bók. (B. III.)