noun
also tasmanian tiger
Usage: usually capitalized 1st T
: a carnivorous dasyurid marsupial ( Thylacinus cynocephalus ) formerly common in Australia but now limited to the remoter parts of Tasmania that is doglike in appearance and somewhat larger than a fox and has a smooth grayish brown pelt conspicuously cross-striped with black on the hinder half of the back and the base of the tapering tail