Wordnet 3.0
NOUN (1)
1.
a bird that frequents coastal waters and the open ocean: gulls;
pelicans;
gannets;
cormorants;
albatrosses;
petrels;
etc.;
[syn: seabird, sea bird, seafowl]
The Collaborative International Dictionary of English v.0.48:
Sea bird \Sea" bird`\ (Zool.)
Any swimming bird frequenting the sea; a sea fowl.
[1913 Webster]
WordNet (r) 3.0 (2006):
sea bird
n 1: a bird that frequents coastal waters and the open ocean:
gulls; pelicans; gannets; cormorants; albatrosses; petrels;
etc. [syn: seabird, sea bird, seafowl]