Pe*tau"rist (?), n. [L. petaurista a ropedancer, Gr. &?;, fr. &?; to dance on a rope, fr. &?; a pole, a stage for ropedancers: cf. F. pétauriste.] (Zoöl.) Any flying marsupial of the genera Petaurus, Phalangista, Acrobata, and allied genera. See Flying mouse, under Flying, and Phalangister.