arm in arm

phrase

: with arms linked together

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler

The first known use of arm in arm was in the 15th century

See more words from the same century

Cite this Entry

Style

“Arm in arm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arm%20in%20arm. Accessed 15 Mar. 2026.

Copy Citation

Last Updated: 24 Feb 2026 - Definition revised

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