circumcircle

noun

cir·​cum·​cir·​cle ˈsər-kəm-ˌsər-kəl How to pronounce circumcircle (audio)
: a circle which passes through all the vertices of a polygon (such as a triangle)

Word History

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of circumcircle was in 1885

Rhymes for circumcircle

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Browse Nearby Words

circumcenter
circumcircle
circumcise
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Cite this Entry

“Circumcircle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circumcircle. Accessed 30 Oct. 2025.

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