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Definition of Cygnus cygnus
1. Noun. Common Old World swan noted for its whooping call. 
Exact synonyms: Whooper, Whooper Swan
Generic synonyms: Swan
Group relationships: Cygnus, Genus Cygnus
Derivative terms: Whoop
Generic synonyms: Swan
Group relationships: Cygnus, Genus Cygnus
Derivative terms: Whoop



