Englishwhooper swan/ˈhuːpə(ɹ) swɒn/ · nounMeaningA species of swan, Cygnus cygnus, of the taxonomic family Anatidae.Related wordswhooper(English)cygnus cygnus(English)hooper(English)swan(English)swan goose(English)bewick's swan(English)mute swan(English)cobswan(English)SourcesDictionaryAPI.dev English dictionary data