ÖSKRAsagnorðað, to bellow; öskra sem blótneyti, Fas. i. 425; uxi, hann öskraði ógurliga ok lét mjök ílliliga, Fb. i. 261: freq. in mod. usage, esp. of enraged cattle.2. to scream, roar (from pain), Str. 32; cp. eiskra.