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:Harris tweed is made from pure new wool
yarn or textile fibre made from wool:carpets made of 80 per cent wool and 20 per cent nylon [count noun]:a sampler in coloured wools [as modifier]:her blue wool suit
2a thing resembling wool, 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 fibres:lead wool
