Source : Webster's Revised Unabridged Dictionary (1913)

Apod \Ap"od\, Apodal \Ap"o*dal\, a. [See {Apod}, n.]
   1. Without feet; footless.

   2. (Zo["o]l.) Destitute of the ventral fin, as the eels.

Source : WordNet®

apodal
     adj : (of snakes and eels) naturally footless; "eels are apodal"
           [syn: {apodous}]