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In animals including humans, polydactyly (or polydactylism, also known as hyperdactyly) is the anatomical abnormality of having more than the usual number of digits on the hands or feet. Must be extra appendages, like a human being born with 11+ fingers or however much outside the genetic norm.
My cat has 2 extra toes on each paw! So being polydactyl makes you a mutant! Fuckin creepy!
by Wonderball August 03, 2009
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