- the fine soft down feathers of a swan, used to trim powder puffs, clothes, etc
- a thick soft fabric of wool with silk, cotton, or rayon, used for infants' clothing, etc
- a cotton fabric with a heavy nap
WordReference Random House Unabridged Dictionary of American English © 2026
swans•down
(swonz′doun′),USA pronunciation n.
- Birds, Textilesthe down or under plumage of a swan, used for trimming, powder puffs, etc.
- Textilesa fine, soft, thick woolen cloth.
- Textilesa sturdy cotton flannel with a thickly napped face.
- swan1 + 's1 + down2 1600–10
Collins Concise English Dictionary © HarperCollins Publishers::
swan's-down n