wool

noun

1. a fabric made from the hair of sheep

   noun.artifact

   Synonyms woolen woollen

   Source: WordNet 3.0

2. fiber sheared from animals (such as sheep) and twisted into yarn for weaving

   noun.substance

   Source: WordNet 3.0

3. outer coat of especially sheep and yaks

   noun.animal

   Synonyms fleece

   Source: WordNet 3.0

4. The soft and curled, or crisped, species of hair which grows on sheep and some other animals, and which in fineness sometimes approaches to fur; -- chiefly applied to the fleecy coat of the sheep, which constitutes a most essential material of clothing in all cold and temperate climates.

   noun

   Source: webster1913