Definition of: gossamer

(gos′ə·mər) noun
1. An exceedingly fine thread or web of spider's silk that may float in the air.
2. A fine fabric like gauze.
3. A thin waterproof outer garment.
—adjective Thin and light as gauze; flimsy: also gos′sa·mer·y. [<ME gossamer Indian summer, lit. goose summer; appar. so called because often seen in autumn when geese are in season]