Meaning of swansdown

swans•down

Pronunciation: (swonz'doun"), [key]
— n.
  1. the down or under plumage of a swan, used for trimming, powder puffs, etc.
  2. a fine, soft, thick woolen cloth.
  3. a sturdy cotton flannel with a thickly napped face.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.