Cygnus columbianus cyg·nus·co·lumbianus uncommon noun 1. swan that nests in tundra regions of the New and Old Worlds Synonymstundra swanCygnus columbianus Related words Word family Cygnus columbianus bewickiiCygnus columbianus columbianus Broader terms swan Narrower terms whistling swanBewick's swan Parts Cygnus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
