Also spelled shieldrake
noun
Freq #56241
Meanings
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1
noun
an older name for a shelduck, especially a male bird of the genus Tadorna
The paradise sheldrake has strongly contrasting plumage in both sexes.
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2
noun
regional or historical: a merganser, a fish-eating diving duck with a narrow serrated bill
The local bird list used sheldrake for the red-breasted merganser.
Thesaurus
Etymology
From Middle English sheld, 'variegated or pied,' + drake, 'male duck.' Shieldrake is an obsolete spelling influenced by shield; the modern common name for birds of Tadorna is shelduck.