The Collaborative International Dictionary
Polydactylism
Polydactylism \Pol`y*dac"tyl*ism\, n. [Poly- + Gr. ? finger: cf. F. polydactylisme.] (Anat.) The possession of more that the normal number of digits.
Wiktionary
polydactylism
n. (context anatomy English) The possession of more than the normal number of digits.
Usage examples of "polydactylism".
Getting the littlest finger on each hand cut off just because polydactylism has only a five decimal point occurrence on this planet?