ALTERNATOR Meaning of ALTERNATOR in English al ‧ ter ‧ na ‧ tor /ˈɔːltəneɪtə $ ˈɒːltərneɪtər, ˈæl-/ BrE AmE noun [countable] an object that produces an ↑ alternating current , especially in a car Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012