monodactylyPronunciation: /ˌmɒnə(ʊ)ˈdaktɪli/Definition of monodactyly noun [mass noun] Medicine & Zoology a condition in which there is only one finger or toe on each hand or foot. Derivatives monodactyl adjective Origin: late 19th century: from monodactyl (from Greek monodaktulos 'one-fingered') + -y3
