A Fleece

1. (uncountable) Hair or wool of a sheep or similar animal
2. (uncountable) Insulating skin with the wool attached
3. (countable) A textile similar to velvet, but with a longer pile that gives it a softness and a higher sheen.
4. (countable) An insulating wooly jacket
5. (roofing) Mat or felts composed of fibers, sometimes used as a membrane backer.
6. Any soft woolly covering resembling a fleece.
7. The fine web of cotton or wool removed by the doffing knife from the cylinder of a carding machine.