voussoir


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voussoir
semicircular arch
A. keystone
B. voussoirs
C. springers
D. imposts

vous·soir

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

[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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.voussoir - wedge-shaped stone building block used in constructing an arch or vault
arch - (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
building block - a block of material used in construction work
References in periodicals archive ?
According to the equilibrium conditions and a voussoir beam theory [13], [Q.
True arches (also called voussoir arches) are created with wedge-shaped bricks or stones on either side of a keystone at the top middle.
1994, Analysis of key blocks in the structure of voussoir in longwall mining.
Until the topmost voussoir, the keystone, is positioned the vault is not self-supporting.
There were also the remains of the late-Roman buildings, some re-used Roman columns and voussoir stones - the interlocking stones from Roman arches.
Network Rail Infrastructure Projects, listed building consent for raking out and re-pointing all open joints and pointing of fractures greater than 5mm and stitching of displaced voussoir blocks and re-pointing of fractures, Milne (Longwood) Viaduct, Crow Lane, Huddersfield.
Construction of a storm basin (volume 8000 mA) by drilling tunneling voussoir over a length of +/- 470 m with a tolerance of +/- 100 m without receiving well.
Network Rail Infrastructure Projects, listed building consent for raking out and re-pointing all open joints and pointing of fractures greater than 5mm and stitching of displaces voussoir blocks and re-pointing of fractures, Milne (Longwood) Viaduct, Crow Lane, Huddersfield.