Fissiped \Fis"si*ped\, Fissipedal \Fis*sip"e*dal\, a. [Cf. F. fissip[`e]de.] (Zo["o]l.) Having the toes separated to the base. [See Aves.]
Source: Webster's Revised Unabridged Dictionary (1913)
Fissiped \Fis"si*ped\, n. (Zo["o]l.) One of the Fissipedia.