The Collaborative International Dictionary of English v.0.48:
Erignathus \Erignathus\ n. a genus including the bearded seal, Erignathus barbatus. Syn: genus Erignathus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Erignathus n 1: bearded seals [syn: Erignathus, genus Erignathus]