gossamer

nouns

a gauze fabric with an extremely fine texture
is a type of (narrower)
a net of transparent fabric with a loose open weave
filaments from a web that was spun by a spider

adjectives

characterized by unusual lightness and delicacy
"this smallest and most ethereal of birds"; "gossamer shading through his playing"
so thin as to transmit light
"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"