Polydactylism

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Polydactylism \Pol`y*dac"tyl*ism\, n. [Poly- + Gr. ? finger: cf.
     F. polydactylisme.] (Anat.)
     The possession of more that the normal number of digits.
     [1913 Webster]