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voussoir Line breaks: vous|soir
Pronunciation: /ˈvuːswɑː/

Definition of voussoir in English:


A wedge-shaped or tapered stone used to construct an arch.
Example sentences
  • This tomb is notable because it introduced for the first time in India the principle of the true arch with radiating voussoirs.
  • It has to be remembered that even repeated patterns round a window required different models for each side, as well as for the voussoirs, keystone, and stop-ends, each of which had to be specially drawn.
  • At the underside of the sixth floor, the atrium narrows to a small opening encircled by polished granite voussoirs.


Early 18th cent: via French from popular Latin volsorium, based on Latin volvere 'to roll'. The word, borrowed from Old French, was also used for a time in late Middle English.

Definition of voussoir in:
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