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heterodactylous

[ het-uh-roh-dak-tuh-luhs ]

adjective

Ornithology.
  1. having the first and fourth toes directed backward, and the second and third forward, as in trogons.


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Word History and Origins

Origin of heterodactylous1

First recorded in 1850–55; hetero- + -dactylous

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heterodactylheterodont