The Collaborative International Dictionary of English v.0.48:

Aliform \Al"i*form\, a. [L. ala wing + -form.]
   Wing-shaped; winglike.
   [1913 Webster]

WordNet (r) 3.0 (2006):

aliform
    adj 1: having or resembling wings [syn: alar, alary,
           aliform, wing-shaped]