zygodactyl
         adj 1: (of bird feet) having the first and fourth toes directed
                  backward the second and third forward [ant:
                  {heterodactyl}]

English Dictionary: zugedacht haben	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
zygodactyl foot n a bird's foot having the first and fourth toes of each foot directed backward and the second and third forward Antonym(s): heterodactyl foot
From WordNet (r) 3.0 (2006) [wn]:
zygotic adj of or relating to a zygote
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Zygodactyl \Zyg`o*dac"tyl\, Zygodactyle \Zyg`o*dac"tyle\, n.       [See {Zygodactylic}.] (Zo[94]l.)       Any zygodactylous bird.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Zygodactyl \Zyg`o*dac"tyl\, Zygodactyle \Zyg`o*dac"tyle\, n.       [See {Zygodactylic}.] (Zo[94]l.)       Any zygodactylous bird.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Zygodactylic \Zyg`o*dac"ty*lic\, Zygodactylous    \Zyg`o*dac"tyl*ous\ (?; 277), a. [Gr. [?] a yoke, pair + [?]       finger, toe: cf. F. zygodactyle.] (Zo[94]l.)       Yoke-footed; having the toes disposed in pairs; -- applied to       birds which have two toes before and two behind, as the       parrot, cuckoo, woodpecker, etc.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Zygodactylic \Zyg`o*dac"ty*lic\, Zygodactylous    \Zyg`o*dac"tyl*ous\ (?; 277), a. [Gr. [?] a yoke, pair + [?]       finger, toe: cf. F. zygodactyle.] (Zo[94]l.)       Yoke-footed; having the toes disposed in pairs; -- applied to       birds which have two toes before and two behind, as the       parrot, cuckoo, woodpecker, etc.