mass noun
1- a fine, filmy substance consisting of cobwebs spun by small spiders, which is seen especially in autumn（尤见于秋天的）蛛丝, 游丝。
1.1
- used to refer to something very light, thin, and insubstantial or delicate轻而薄, 脆弱（或精巧）的东西：
in the light from the table lamp, his hair was blonde gossamer.
在台灯的灯光下, 他的金发细若游丝。
派生词
gossamery
adjective词源
Middle English: apparently from GOOSE+SUMMER1, perhaps from the time of year around St Martin's summer, i.e. early November, when geese were eaten (gossamer being common then).