Yrða

blástr

nafnorðkarlkyn
rs, m., dat. blæstri, blæsti, Hom. 47; pl. blástrar:
1. to blast, Sks. 213.
2. breath; b. af lopti, Eluc. 19; málit görisk af blæstrinum, Skálda 170: the blast of a trumpet, Fms. ix. 30: hissing of serpents, breathing of whales (hvala blástr), Gullþ. 8: blowing a bellows, Edda 70.
3. medic. swelling, mortification, Nj. 209, Dropl. 36, Bs. i. 182.