The woolly covering of a sheep or goat
a sheep's fleece
The fleece obtained from the first shearing of a young sheep.
(In sheep shearing) a worker who sorts the offcuts of wool trimmed from fleeces
The fleece of a golden ram, guarded by an unsleeping dragon, that was sought and won by Jason with the help of Medea
(Originally) a thick woollen fabric (rare); (now, a trademark for) a synthetic fabric with a thick, soft pile, used especially to make warm outer clothing and blankets; a jacket made of this.