Cygnus columbianus bewickii cyg·nus·co·lumbianusbewickii uncommon noun 1. Eurasian subspecies of tundra swan; smaller than the whooper SynonymsBewick's swanCygnus columbianus bewickii Related words Broader terms tundra swan WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
