The Collaborative International Dictionary
Fissipedal
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.]
Wiktionary
fissipedal
a. (context zoology English) Being or relating to a fissiped.