perissodactyla Meaning, Definition & Usage

  1. noun nonruminant ungulates: horses; tapirs; rhinoceros; extinct forms
    order Perissodactyla.

WordNet

Per`is*so*dac"ty*la noun plural
Etymology
NL., from Gr. odd (fr. over) + finger.
Definitions
  1. (Zoöl.) A division of ungulate mammals, including those that have an odd number of toes, as the horse, tapir, and rhinoceros; -- opposed to Artiodactyla.

Webster 1913