voussoir

[ voo-swahr ]
/ vuˈswɑr /

noun Architecture.

any of the pieces, in the shape of a truncated wedge, that form an arch or vault.

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Origin of voussoir

1325–75; <French; replacing Middle English vousor(i)e<Anglo-French; Old French volsoir<Vulgar Latin *volsōrium, equivalent to *volt(us) (for Latin volūtus), past participle of volvere to turn + -tōrium-tory2 with tt>s
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for voussoir

British Dictionary definitions for voussoir

voussoir
/ (vuːˈswɑː) /

noun

a wedge-shaped stone or brick that is used with others to construct an arch or vault

Word Origin for voussoir

C18: from French, from Vulgar Latin volsōrium (unattested), ultimately from Latin volvere to turn, roll
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012