Medical Dictionary


noun poly·dac·ty·ly \-ˈdak-tə-lē\
plural poly·dac·ty·lies

Medical Definition of POLYDACTYLY

:  the condition of having more than the normal number of toes or fingers—called also polydactylia, polydactylism

Illustration of POLYDACTYLY


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears