thylacine
noun [ C ] uk/ˈθaɪ.lə.siːn/ us/ˈθaɪ.lə.siːn/ (also Tasmanian wolf, Tasmanian tiger)
袋狼
a striped, meat-eating Australian mammal about the size of a large dog. It is believed to have become extinct in the 20th century (= it no longer exists).