zygodactylPronunciation: /ˌzʌɪgə(ʊ)ˈdaktɪl, zɪg-/Definition of zygodactyl adjective (of a bird’s feet) having two toes pointing forward and two backward: the cuckoo’s zygodactyl toes noun a bird with zygodactyl feet. Derivatives zygodactylous adjective zygodactyly noun zygodactyl in other Oxford dictionaries Definition of zygodactyl in the US English dictionary