heterodactylous

or het·er·o·dac·tyl

[ het-uh-roh-dak-tuh-luh s or het-uh-roh-dak-til ]
/ ˌhɛt ə roʊˈdæk tə ləs or ˌhɛt ə roʊˈdæk tɪl /

adjective Ornithology.

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

Nearby words

  1. heterocyclic,
  2. heterocyst,
  3. heterocytotropic,
  4. heterocytotropic antibody,
  5. heterodactyl,
  6. heterodont,
  7. heterodox,
  8. heterodoxy,
  9. heterodromous,
  10. heterodyne

Origin of heterodactylous

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for heterodactyl

heterodactyl

/ (ˌhɛtərəʊˈdæktɪl) /

adjective

(of the feet of certain birds) having the first and second toes directed backwards and the third and fourth forwards

noun

a bird with heterodactyl feet
Compare zygodactyl

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012