Also found in: Thesaurus.
Related to family Spheniscidae: Sphenisciformes
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|Noun||1.||family Spheniscidae - comprising all existing penguins |
bird family - a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
penguin - short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers