Gauze n. : A very thin, slight, transparent stuff, generally of silk; also, any fabric resembling silk gauze; as, wire gauze; cotton gauze.

Gauze a. : Having the qualities of gauze; thin; light; as, gauze merino underclothing.

Example:
How long do I have to keep Gauze in my mouth?

Taxonomy
Gauze, free encyclopedia, fabric, wire gauze, silk, Cotton gauze, Gaza, gauze sponges, Skeat, McCarthy, Garrison, Taylor, Japanese band, medieval Europe, The concise dictionary of English etymology, search, the Japanese, open weave.

Defination from the web:
Gauze was traditionally woven in Palestine and the etymology of the English word derives from the place name for Gaza (Arabic: غزة‎ ghazza), a ... When used as a medical dressing, gauze is generally made of cotton. It is especially useful for dressing wounds where other fabrics might ...