From Longman Dictionary of Contemporary Englishside dishˈside dish noun [countable] DFCa small amount of food such as a vegetable that you eat with a main meal
Examples from the Corpus
side dish• Note: This is a traditional Southern recipe that can be served as a side dish or dessert.• As a side dish, serve plain white rice.• Serve from baking dish, with a side dish of sauteed spinach or chard.• Each side dish was serviceable, if not the most stunning examples of their kind to be found in the city. 