wool

noun

• 1the fine soft curly or wavy hair forming the coat of a sheep, goat, or similar animal, especially when shorn and prepared for use in making cloth or yarn.
• yarn or textile fiber made from wool:carpets made of 80 percent wool and 20 percent nylon a sampler in colored wools [as modifier]:her blue wool suit

• 2a thing resembling wool in form or texture, in particular.
• [with modifier] the soft underfur or down of some other mammals:beaver wool
• [with modifier] a metal or mineral made into a mass of fine fibers:lead wool