voussoir

noun
vous·soir | \ vü-ˈswär , ˈvü-ˌswär \

Definition of voussoir 

: one of the wedge-shaped pieces forming an arch or vault — see arch illustration

First Known Use of voussoir

1728, in the meaning defined above

History and Etymology for voussoir

French, from Old French vosoir, from Vulgar Latin *volsorium, from Latin volvere to roll — more at voluble

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Dictionary Entries near voussoir

voudou

vouge

voulu

voussoir

Vouvray

vow

vowel

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The first known use of voussoir was in 1728

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