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English definition of “down”

down

noun (FEATHERS)    /daʊn/
[U] small soft feathers, especially those from a young bird: goose/duck down a down jacket/pillow/sleeping bag (= a jacket/pillow/sleeping bag filled with down)The skin, hair and bone of non-human animals [S or U] very soft thin hairHair
(Definition of down noun (FEATHERS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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