the condition of having more than a normal number of fingers or toes. — polydactylous, adj.

What is the meaning of Polydactylism?

Polydactyly is a deformity in which the hand has one or more extra fingers in any of three places of the hand: on the small finger side — most common (ulnar) on the thumb side, also called thumb duplication — less common (radial)

Is polydactyly a word?

adjective Also pol·y·dac·tyl·ous. having many or several digits. having more than the normal number of fingers or toes.