also swans·down(swŏnz′doun′)n.1. The soft down of a swan.2. A soft woolen or wool and silk fabric.3. Flannelette.
swans•down
(ˈswɒnzˌdaʊn)
n. 1. the down or under plumage of a swan, used for trimming, powder puffs, etc. 2. a sturdy cotton flannel with a thickly napped face. [1600–10]Translations