petaurist, n. [L. petaurista a ropedancer, Gr. , fr. to dance on a rope, fr. a pole, a stage for ropedancers: cf. F. pétauriste.].
Any flying marsupial of the genera Petaurus, Phalangista, Acrobata, and allied genera. See Flying mouse, under Flying, and Phalangister. [1913 Webster]