Meaning of ANNUNCIATOR in English

ANNUNCIATOR

/ əˈnʌnsieɪtə(r); NAmE / noun

( physics ) a bell, light or other device that shows which of several electrical circuits is in use

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WORD ORIGIN

mid 18th cent.: from late Latin annunciator , from the verb annunciare , variant spelling of annuntiare .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.