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 (pŏl′ē-dăk′təl) Biology
adj. also pol·y·dac·ty·lous (-tə-ləs)
Having more than the normal number of digits.
A person or animal having more than the normal number of digits.

pol′y·dac′tyl·ism, pol′y·dac′ty·ly n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.polydactylous - of or relating to a person (or other vertebrate) having more than the normal number of digits
biological science, biology - the science that studies living organisms
References in periodicals archive ?
Agricultural experts I've consulted on this matter noted that the development of extra toes (polydactylous chicken) is an unusual trait not just in chickens, but in the entire class of aves (a class of vertebrates which comprises birds).I'll try to fit the jigsaw puzzle together.
The Bible describes polydactylous giants in 11th century B.C.
In contrast, Oguntunji et al [19] assessed higher body weights in polydactylous than in normal, ptilopod and frizzled cocks.