A fine, filmy substance consisting of cobwebs spun by small spiders, seen especially in autumn. The morning dew clung to the gossamer, making it glisten in the sunlight.
Something very light, thin, and insubstantial or delicate. The bride's veil was a delicate gossamer that floated gracefully in the breeze.
A sheer, gauze-like fabric. The curtains were made of a soft white gossamer that diffused the sunlight.