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Definition of Down feather
1. Noun. Soft fine feathers. 
Exact synonyms: Down
Generic synonyms: Feather, Plumage, Plume
Specialized synonyms: Duck Down, Goose Down, Swan's Down, Plumule
Derivative terms: Downy
Generic synonyms: Feather, Plumage, Plume
Specialized synonyms: Duck Down, Goose Down, Swan's Down, Plumule
Derivative terms: Downy



