Also found in: Dictionary, Thesaurus, Wikipedia.
Having a zygodactyl foot in which the third and fourth toes project forward and the first and second toes project backward, as in the trogons.
het′er·o·dac′ty·ly (-tə-lē) n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.