multinational(also multinational company, also multinational corporation) COMMERCE ► a very large company that has offices, stores, etc. in many different countries but that is controlled from the country where it was started. A company with a quarter or more of its sales in other countries is considered to be a multinational: "If multinationals become more important than governments, they can act as major forces of economic change. "a big/large/leading multinational CBED Alexander Demidov)