(vĕj´ĭ-târʹē-ən) noun. 1. One who practices vegetarianism. 2. A herbivore, vegetarian: a vegetarian menu, menu vegetarian, a vegetarian diet, diet vegetarian.
(vĕj´ĭ-târʹē-ə-nĭz´əm) noun. The practice of subsisting on a diet composed primarily or wholly of vegetables, grains, fruits, nuts, and seeds, with or without eggs and dairy products, vegetarianisme.