bræðrungrnafnorðkarlkynm. [bróðir], a first cousin (agnate), Grág. i. 171, ii. 172; also = bræðrunga; hón var bræðrungr, he was first cousin, Ásnýjar, Grett. 87.COMPDS: bræðrungsbarn, brœðrungsbaugr.