D defs.my
Entry 2 senses Webster, 1913

Swan's-down

· Swan'sĀ·-down · IPA
01 n. The down, or fine, soft feathers, of the swan, used on various articles of dress.
  1. 1.
    The down, or fine, soft feathers, of the swan, used on various articles of dress.
  2. 2.
    A fine, soft, thick cloth of wool mixed with silk or cotton; a sort of twilled fustian, like moleskin.
Phrases & compounds
Swan's-down cotton — See Cotton flannel, under Cotton.