noun
common Old World swan noted for its whooping call
• Syn: ↑whooper, ↑Cygnus cygnus
• Hypernyms: ↑swan
• Member Holonyms: ↑Cygnus, ↑genus Cygnus
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a common, Old World swan, Cygnus cygnus, distinguished by a yellow patch at the base of its bill, noted for its whooping cry.
[1875-80]
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whooper swan noun
A swan (Cygnus cygnus) with a whooping call, common in N Europe and Asia
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Main Entry: ↑whoop
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whooper swan,
an Old-World swan that has a whooping call.
Useful english dictionary. 2012.