extrados

noun

ex·​tra·​dos ˈek-strə-ˌdäs How to pronounce extrados (audio)
-ˌdō;
ek-ˈstrā-ˌdäs
plural extradoses ˈek-strə-ˌdä-səz How to pronounce extrados (audio) or extrados ˈek-strə-ˌdōz How to pronounce extrados (audio)
-ˌdäs
: the exterior curve of an arch see arch illustration

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Word History

Etymology

French, from Latin extra + French dos back — more at dossier

First Known Use

1772, in the meaning defined above

Time Traveler
The first known use of extrados was in 1772

Dictionary Entries Near extrados

Cite this Entry

“Extrados.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrados. Accessed 5 Oct. 2022.

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