wool Meaning, Definition & Usage

  1. noun a fabric made from the hair of sheep
    woolen; woollen.
  2. noun fiber sheared from animals (such as sheep) and twisted into yarn for weaving
  3. noun outer coat of especially sheep and yaks
    fleece.

WordNet

Wool noun
Etymology
OE. wolle, wulle, AS. wull; akin to D. wol, OHG. wolla, G. wolle, Icel. & Sw. ull, Dan. uld, Goth, wulla, Lith. vilna, Russ. volna, L. vellus, Skr. rn wool, to cover. , . Cf. Flannel, Velvet.
Definitions
  1. 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. ✍ Wool consists essentially of keratin.
  2. Short, thick hair, especially when crisped or curled.
    Wool of bat and tongue of dog. Shak.
  3. (Bot.) A sort of pubescence, or a clothing of dense, curling hairs on the surface of certain plants.

Webster 1913