feathertail gliderPronunciation: /ˈfɛðəteɪl/Definition of feathertail glider noun an Australian pygmy possum with a flap of skin between the fore- and hindlimbs for gliding, and a feathery tail. Acrobates pygmaeus, family Burramyidae. Alternative name: flying mouse feathertail glider in other Oxford dictionaries Definition of feathertail glider in the US English dictionary