voussoir

voussoirsemicircular archA. keystoneB. voussoirsC. springersD. imposts

vous·soir

V0149700 (vo͞o-swär′)n. One of the wedge-shaped stones forming the curved parts of an arch or vaulted ceiling.

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[French, from Old French vossoir, from Vulgar Latin *volsōrium, from *volsus, past participle of Latin volvere, to turn, roll; see wel- in Indo-European roots.]

voussoir

(vuːˈswɑː) n (Architecture) a wedge-shaped stone or brick that is used with others to construct an arch or vault[C18: from French, from Vulgar Latin volsōrium (unattested), ultimately from Latin volvere to turn, roll]

vous•soir

(vuˈswɑr)

n. any of the pieces in the shape of a truncated wedge that form an arch or vault. [1325–75; < French; replacing Middle English vousor(i)e < Anglo-French; Old French volsoir < Vulgar Latin *volsōrium=*volt(us) (for Latin volūtus), past participle of volvere to turn + -tōrium -tory²]

Thesaurus

Noun

1.

voussoir - wedge-shaped stone building block used in constructing an arch or vaultarch - (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above itbuilding block - a block of material used in construction work