order noun definition in Dining out topic from the Oxford Advanced Learner's Dictionary

order

 noun: Dining out topic
[countable] a request for food or drinks in a restaurant, bar, etc.; the food or drinks that you ask for May I take your order? Last orders at the bar now please! (= because the bar is going to close) an order for steak and fries a side order (= for example, vegetables or salad that you eat with your main dish)