gaviiform seabird


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Noun1.gaviiform seabird - seabirds of the order Gaviiformes
sea bird, seabird, seafowl - a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc.
Gaviiformes, order Gaviiformes - large aquatic birds: loons and some extinct forms
loon, diver - large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes