first officer

noun

Definition of first officer

1 : a first mate in the merchant service
2 : copilot

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First Known Use of first officer

1758, in the meaning defined above

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Time Traveler for first officer

Time Traveler

The first known use of first officer was in 1758

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Dictionary Entries Near first officer

first offender

first officer

first-order reaction

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Cite this Entry

“First officer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20officer. Accessed 25 May. 2022.

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