/ˈ(h)ərbəˌvôr/
Noun, pl. herbivores
1. An organism anatomically and physiologically adapted to plant material, for example foliage, as the main component of its diet. (wikipedia.org)
2. Any animal that eats only vegetation (i.e. that eats no meat). (wiktionary.org)
3. An animal that consumes herbaceous vegetation. Any animal that feeds chiefly on grass and other plants; animals that consume plant material as a source of obtaining energy. (biology-online.org)
Word origin: From Modern Latin herbivora (1830) or French herbivore (1748), from Latin herbivorus, from herba “a herb” + vorare “devour, swallow”