'koala bear' definitions:

Definition of 'koala bear'

(from WordNet)
noun
Sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark [syn: koala, koala bear, kangaroo bear, native bear, Phascolarctos cinereus]

Definition of 'koala bear'

From: GCIDE
  • Koala \Ko*a"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