zygodactyl(redirected from zygodactylism)
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adj. also zy·go·dac·ty·lous (-tə-ləs)
Having two toes projecting forward and two projecting backward, as certain climbing birds.
A zygodactyl bird, such as a parrot.
zy′go·dac′ty·ly (-tə-lē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Zoology) (of the feet of certain birds) having the first and fourth toes directed backwards and the second and third forwards
(Zoology) a zygodactyl bird. Compare heterodactyl
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
zy•go•dac•tyl(ˌzaɪ gəˈdæk tɪl, ˌzɪg ə-)
1. (of a bird) having the toes of the foot arranged in pairs, with two toes pointed forward and two turned rearward, as woodpeckers.
2. of or pertaining to a zygodactyl bird.n.
3. a zygodactyl bird.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||zygodactyl - (of bird feet) having the first and fourth toes directed backward the second and third forward|
heterodactyl - (of bird feet) having the first and second toes directed backward the third and fourth forward
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