petaurist

from The Century Dictionary.

• noun A flying-phalanger, flying-opossum, Australian flying-squirrel, or acrobat: any member of the old genus Petaurus, or modern subfamily Petaurinæ.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) Any flying marsupial of the genera Petaurus, Phalangista, Acrobata, and allied genera. See Flying mouse, under flying, and phalangister.