The Collaborative International Dictionary of English v.0.48:
Woolly \Wool"ly\, a.
1. Consisting of wool; as, a woolly covering; a woolly
2. Resembling wool; of the nature of wool. "My fleece of
woolly hair." --Shak.
3. Clothed with wool. "Woolly breeders." --Shak.
4. (Bot.) Clothed with a fine, curly pubescence resembling
Woolly bear (Zool.), the hairy larva of several species of
bombycid moths. The most common species in the United
States are the salt-marsh caterpillar (see under Salt),
the black and red woolly bear, or larva of the Isabella
moth (see Illust., under Isabella Moth), and the yellow
woolly bear, or larva of the American ermine moth
Woolly butt (Bot.), an Australian tree (Eucalyptus
longifolia), so named because of its fibrous bark.
Woolly louse (Zool.), a plant louse (Schizoneura lanigera
syn Erisoma lanigera) which is often very injurious to
the apple tree. It is covered with a dense coat of white
filaments somewhat resembling fine wool or cotton. In
exists in two forms, one of which infests the roots, the
other the branches. See Illust. under Blight.
Woolly macaco (Zool.), the mongoose lemur.
Woolly maki (Zool.), a long-tailed lemur (Indris laniger)
native of Madagascar, having fur somewhat like wool; --
called also avahi, and woolly lemur.
Woolly monkey (Zool.), any South American monkey of the
genus Lagothrix, as the caparro.
Woolly rhinoceros (Paleon.), an extinct rhinoceros
(Rhinoceros tichorhinus) which inhabited the arctic
regions, and was covered with a dense coat of woolly hair.
It has been found frozen in the ice of Siberia, with the
flesh and hair well preserved.