Definify.com
Webster 1913 Edition
Swans-down
{
, Swan’s′-downˊ
, orSwans′-downˊ
}Noun.
1.
The down, or fine, soft feathers, of the swan, used on various articles of dress.
2.
A fine, soft, thick cloth of wool mixed with silk or cotton; a sort of twilled fustian, like moleskin.
Swan’s-down cotton
. See
Cotton flannel
, under Cotton
.