the GNU version of the Collaborative International Dictionary of English
noun-plural. An extensive division of Mammalia. It formerly included the Proboscidea, Hyracoidea, Perissodactyla, and Artiodactyla, but by later writers it is generally restricted to the two latter groups (Ungulata). They feed almost exclusively upon vegetation.
The Century Dictionary and Cyclopedia
A group of animals, especially mammals, which feed on herbage.
A division of Marsupialia; the herbivorous marsupials, as the kangaroos. Also called Poëphaga.
Word Usage
"Preying continually upon the herbivora were the meat-eaters, large and small -- wolves, hyaenadons, panthers, lions, tigers, and bear as well as several large and ferocious species of reptilian life."