polydactyly

Noun polydactyly has 1 sense

• polydactyly(n = noun.state) hyperdactyly - birth defect characterized by the presence of more than the normal number of fingers or toes;
is a kind of birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder
Derived form adjective polydactylous₁