Meaning of ALTERNATOR in English

ALTERNATOR

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.