arachnodactyly

arach·no·dac·ty·ly

noun \ə-ˌrak-nō-ˈdak-tə-lē\

plural ; arach·no·dac·ty·lies

Definition of ARACHNODACTYLY

: a hereditary condition characterized especially by excessive length of the fingers and toes—see congenital contractural arachnodactyly

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