arachnodactyly

noun

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

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Cite this Entry

“Arachnodactyly.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/arachnodactyly. Accessed 8 Jul. 2026.

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