gossamer

(noun) a gauze fabric with an extremely fine texture.

(noun) filaments from a web that was spun by a spider. Synonyms: cobweb.

(adj) characterized by unusual lightness and delicacy. Synonyms: ethereal. Examples: "This smallest and most ethereal of birds." "Gossamer shading through his playing."

(adj) so thin as to transmit light. Synonyms: diaphanous, filmy, gauzy, gauze-like, see-through, sheer, transparent, vaporous, vapourous, cobwebby. Examples: "A hat with a diaphanous veil." "Filmy wings of a moth." "Gauzy clouds of dandelion down." "Gossamer cobwebs." "Sheer silk stockings." "Transparent chiffon." "Vaporous silks."