herbivore

from WordNet (r) 3.0 (2006)

herbivore
    n 1: any animal that feeds chiefly on grass and other plants;
         "horses are herbivores"; "the sauropod dinosaurs were
         apparently herbivores"

from The Collaborative International Dictionary of English v.0.48

Herbivore \Her"bi*vore\, n. [Cf. F. herbivore.] (Zool.)
   One of the Herbivora. --P. H. Gosse.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

63 Moby Thesaurus words for "herbivore":
      Brillat-Savarin, Lucullus, amphibian, aquatic, biped,
      board-and-roomer, boarder, bon vivant, canine, cannibal, carnivore,
      connoisseur of food, consumer, cosmopolite, diner, diner-out,
      eater, eater-out, epicure, feeder, feline, flesh-eater, fruitarian,
      gastronome, glutton, gnawer, gourmand, gourmet, grain-eater,
      graminivore, granivore, high liver, hungry mouth, insectivore,
      invertebrate, lactovegetarian, luncher, mammal, mammalian,
      man-eater, marsupial, marsupialian, meat-eater, mouth, omnivore,
      omophagist, pantophagist, phytophage, picnicker, plant-eater,
      predacean, primate, quadruped, reptile, rodent, ruminant,
      scavenger, trencherman, ungulate, varmint, vegetarian, vermin,
      vertebrate