wool

US /wʊl/
UK /wʊl/
"wool" picture
1.

the fine, soft curly hair that forms the fleece of sheep and some other animals, used in making cloth and yarn

:
This sweater is made of 100% pure wool.
She knitted a scarf with soft merino wool.
2.

a fabric or yarn made from wool

:
The coat is made of a heavy wool.
She prefers wearing natural fibers like cotton and wool.