n. Any bird that spends most of its time in coastal waters or over the oceans.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
Word Usage
"But strong, long-breathed, and accustomed to such exercise, Halbert, even though encumbered with his sword, dived and rose like a seafowl, and swam across the lake in the northern direction."