noun

1. 1. the soft, curly or crisp hair of sheep
   2. the hair of some other animals, as the goat or llama, having a similar texture
2. 1. yarn spun from the fibers of such fleece, esp. the fleece of sheep
   2. cloth, clothing, etc. made of this yarn
3. short, thick, curly or crisp human hair
4. anything that looks or feels like wool, as a fibrous mass of inorganic material [rock wool, steel wool] or the hairy or furry coating on some insects, insect larvae, and plants

Etymology: ME wolle < OE wull, akin to Ger wolle < IE base *wel-, hair, wool, grass > L villus, shaggy hair, vellus, fleece, lana, wool, Gr lēnos, wool

adjective