(1):

(n.) An outer garment, made of waterproof gossamer.

(2):

(n.) Any very thin gauzelike fabric; also, a thin waterproof stuff.

(3):

(n.) A fine, filmy substance, like cobwebs, floating in the air, in calm, clear weather, especially in autumn. It is seen in stubble fields and on furze or low bushes, and is formed by small spiders.