brosmius brosme

from The Collaborative International Dictionary of English v.0.48

Cusk \Cusk\ (k[u^]sk), n. (Zool.)
   A large, edible, marine fish ({Brosmius brosme}), allied to
   the cod, common on the northern coasts of Europe and America;
   -- called also {tusk} and {torsk}.
   [1913 Webster]