orzo UK /ˈɔːzəʊ/US /ˈɔɹzoʊ/ noun1 •A form of pasta the size and shape of grains of rice or barley; often used in soups.Apart from the classic side dishes, it offers dozens more, among them herbed orzo, baked black beans with sour cream, broccoli puree with creme fraiche; […] — 1988