The Collaborative International Dictionary of English v.0.48:

Fulmarus \Fulmarus\ n.
   A genus of birds including many of the fulmars.

   Syn: genus Fulmarus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Fulmarus
    n 1: fulmars [syn: Fulmarus, genus Fulmarus]