anniversary clock

noun

: a clock with a slow torsion pendulum that enables it to run as long as 400 days on a single winding

called also four-hundred-day clock

Word History

First Known Use

1901, in the meaning defined above

Time Traveler
The first known use of anniversary clock was in 1901

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Dictionary Entries Near anniversary clock

Cite this Entry

“Anniversary clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anniversary%20clock. Accessed 18 Jul. 2024.

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