The Collaborative International Dictionary of English v.0.48:

dasyure \das"y*ure\ (d[a^]s"[i^]*[=u]r), n. [Gr. dasy`s thick,
   shaggy + o'yra` tail: cf. F. dasyure.]
   1. (Zool.) A carnivorous catlike marsupial quadruped of
      Australia, belonging to the genus Dasyurus, called also
      native cat. There are several species.
      [1913 Webster +PJC]

   2. (Zool.) any of several related animals, such as the
      Tasmanian devil; -- called also ursine dasyure.
      [PJC]

WordNet (r) 3.0 (2006):

dasyure
    n 1: any of several more or less arboreal marsupials somewhat
         resembling martens