from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An arboreal Australian marsupial (Phascolarctos cinereus) that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tree-dwelling marsupial that resembles a small bear with a broad head, large ears and sharp claws, mainly found in eastern Australia.
from the GNU version of the Collaborative International Dictionary of English
- n. A tailless furry marsupial (Phascolarctos cinereus), found in Australia. The female carries her young on the back of her neck. Called also Australian bear, koala bear, native bear, and native sloth. The koala lives almost all of its life in trees, moves sluggishly like a sloth, and eats eucalyptus leaves almost exclusively.
from The Century Dictionary and Cyclopedia
- n. A marsupial mammal of Australia, Phascolarctos cinercus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark
Probably from misreading of earlier coola, koolah, from Dharuk gula, gulawany.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Dharug gula or gulawany. (Wiktionary)