adj. also zy·go·dac·ty·lous (-tə-ləs) Having two toes projecting forward and two projecting backward, as certain climbing birds. n. A zygodactyl bird, such as a parrot. zy′go·dacty·ly (-tə-lē) n. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.