A sheep being sheared for its wool.
Middle English wolle, from Old English wull, from Proto-Germanic *wullō (cf. Dutch wol, German Wolle, Norwegian ull), from Proto-Indo-European *h₂wĺ̥h₁neh₂ (cf. Welsh gwlân, Latin lāna, Lithuanian vìlna, Russian волос (volоs), Bulgarian влас (vlas), Albanian lesh (“wool, hair, fleece”)).
wool (usually uncountable; plural wools)
- The hair of the sheep, llama and some other ruminants.
- 2006, Nigel Guy Wilson, Ancient Greece, page 692
- The sheep were caught and plucked, because shears had not yet been invented to cut the wool from the sheep's back.
- A cloth or yarn made from the wool of sheep.
- 2009 January 12, Mireya Navarro, “It May Market Organic Alternatives, but Is Your Cleaner Really Greener?”:
- Spielvogel said wet cleaning also has limitations; while it is fine for cottons and fabrics worn in warm climates, he said, it can damage heavy wools or structured clothes like suit jackets.
- Anything with a texture like that of wool.
- 1975, Anthony Julian Huxley, Plant and Planet, page 223
- The groundsels have leaves covered in wool for insulation […]
Coordinate terms 
Derived terms 
anything with a texture like that of wool
wool (no comparative or superlative)
- (Can we verify(+) this sense?) Made of wool.
See also