vegetable noun definition in Vegetables topic from the Oxford Advanced Learner's Dictionary

vegetable

 noun: Vegetables topic
(informal, especially in North American English veggie) a plant or part of a plant that is eaten as food. Potatoes, beans and onions are all vegetables. green vegetables (= for example cabbage) root vegetables (= for example carrots) a salad of raw vegetables a vegetable garden/patch/plot vegetable matter (= plants in general)