SINCE 1828

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captioner

noun cap·tion·er \ ˈkap-shə-nər \

Definition of captioner

plural captioners

:a person who writes captions; especially :a person who provides the captions used in closed captioning

The captioner strokes the steno keys while listening to the live broadcast, transcribing the broadcast accurately while inserting correct punctuation and other symbols.
—Ferguson's Careers In Focus, 2009

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First Known Use of captioner

1936

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