Lockheed Martin Corporation
From Longman Dictionary of Contemporary EnglishLockheed Martin CorporationLock‧heed Mar‧tin Cor‧po‧ra‧tion /ˌlɒkhiːd ˈmɑːtɪn kɔːpəˌreɪʃən $ ˌlɑːkhiːd ˈmɑːrtn kɔːr-/ a very large US company that makes aircraft and products for the aerospace industry