cygnus | (n) a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole |
cygnus | (n) a genus of Anatidae, Syn. genus Cygnus |
bewick's swan | (n) Eurasian subspecies of tundra swan; smaller than the whooper, Syn. Cygnus columbianus bewickii |
black swan | (n) large Australian swan having black plumage and a red bill, Syn. Cygnus atratus |
mute swan | (n) soundless Eurasian swan; commonly domesticated, Syn. Cygnus olor |
trumpeter | (n) large pure white wild swan of western North America having a sonorous cry, Syn. Cygnus buccinator, trumpeter swan |
tundra swan | (n) swan that nests in tundra regions of the New and Old Worlds, Syn. Cygnus columbianus |
whistling swan | (n) North American subspecies of tundra swan having a soft whistling note, Syn. Cygnus columbianus columbianus |
whooper | (n) common Old World swan noted for its whooping call, Syn. Cygnus cygnus, whooper swan |