D defs.my
Entry 1 sense Webster, 1913

Alternator

/ôl'-tẽrn-ātˌ-ẽr/ · Al·ter·na·tor · IPA /ˈɔltərnˌeɪtər/
01 n. An electric generator or dynamo for producing alternating currents.
  1. 1.
    An electric generator or dynamo for producing alternating currents.(Elec.)