[1] : The Collaborative International Dictionary of English v.0.48

koala \koa"la\, 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.
   1913 webster +pjc kob
see also:
phascolarctos cinereus australian bear koala bear native bear native sloth 

[2] : WordNet (r) 2.0

koala
     n : sluggish tailless australian arboreal marsupial with gray
         furry ears and coat; feeds on eucalyptus leaves and bark
         syn: koala bear, kangaroo bear, native bear, phascolarctos
         cinereus
see also:
koala bear kangaroo bear native bear phascolarctos cinereus 

Koala >> K Words
Koala, definition of term: Koala
koala_pag1.html

Koala Bear >> K Words
Koala Bear, definition of term: Koala Bear
koala+bear_pag1.html