true bandicoot noun1 •Any member of the genus Perameles, subfamily Peramelinae, or family Peramelidae of bandicoots.it [Nesokia bandicoota] is usually found to be the large Mus decumanus or perhaps the rarer Nesokia nemorivagus that has been mistaken for the true bandicoot. — 1891 formstrue bandicoots