[ pə ris′ə dak] ′təl perissodactyl definition by Webster's New World
having an uneven number of toes on each foot
Origin: Modern Latin perissodactylus ; from Classical Greek perissos, uneven (; from peri-, over) plush daktylos, finger: see dactyl noun
any of an order (Perissodactyla) of hoofed mammals with an uneven number of toes on each foot and a simple stomach, including the horse, tapir, and rhinoceros
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
perissodactyl definition by American Heritage Dictionary
Zoology adjective Having an uneven number of toes. Of or relating to certain hoofed mammals, such as horses and rhinoceroses, of the order Perissodactyla, that have an uneven number of toes. noun
A hoofed mammal of the order Perissodactyla.
Origin: New Latin perissodactylus, from Greek perissodaktulos : perissos, irregular, uneven (from peri, beyond); see per 1 in Indo-European roots + daktulos, finger. Related Forms: pe·risˌso·dacˈty·lous adjective The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. perissodactyl - Science Definition
Any of various hoofed mammals of the order Perissodactyla, having one or three hoofed toes on each hindfoot. During the Tertiary Period, perissodactyls were the dominant herbivorous fauna. Horses, tapirs, and rhinoceroses are perissodactyls. Also called