a. [ L. phalangium a kind of venomous spider, Gr. fala`ggion, fr. fa`lagx a spider. Cf. Phalanx. ] (Zool.) Of or pertaining to Phalangoidea. [ 1913 Webster ]
n. (Zool.) Any arboreal marsupial of the genus Phalangista. The vulpine phalangist (Phalangista vulpina) is the largest species, the full grown male being about two and a half feet long. It has a large bushy tail. [ 1913 Webster ]