For sewer work and arches, bricks shaped as voussoirs are supplied.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
Tomlinson, can you tell me what the extrados of a voussoir is?
"The Strange Case of Mortimer Fenley" by Louis Tracy
The arches are simply chamfered but are each crossed by three carved voussoirs.
"Portuguese Architecture" by Walter Crum Watson
All the arches are round, and the little arcade has red and grey voussoirs.
"The Shores of the Adriatic" by F. Hamilton Jackson
Not so; you would only waste your good voussoirs.
"The Stones of Venice, Volume I (of 3)" by John Ruskin
In the building of an arch, the voussoirs have to be temporarily supported, until the keystone is inserted.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 4" by Various