gossamer
gos-sa-mer
noun
A fine, flimsy substance, especially spider silk, seen floating in the air.
"Tiny dewdrops clung to the gossamer."
adjective
Extremely light, delicate, or flimsy, often appearing transparent.
"She wore a dress of gossamer fabric."
Thesaurus
Synonyms: cobweb, ethereal, delicate, gauzy, see-through, diaphanous, vapourous, filmy, transparent, vaporous, gauze-like, cobwebby