n. & adj.
--n.
1. a filmy substance of small spiders' webs.
2 delicate filmy material.
3 a thread of gossamer.
--adj. light and flimsy as gossamer.
Derivatives:
gossamered adj. gossamery adj.
Etymology: ME gos(e)somer(e), app. f. GOOSE + SUMMER(1) (goose summer St Martin's summer, i.e. early November when geese were eaten, gossamer being common then)