flat arch

noun

, Architecture.

1. an arch having a more or less flat intrados and extrados with voussoirs radiating from a center below the arch.

Word History and Origins

Origin of flat arch¹

First recorded in 1705–15

Example Sentences

He twisted the loose ends back and tacked the flat arch thus made to the top and inner posts of the trellis.

From Project Gutenberg

The top of the flat arch of fire brick should be covered with a stratum of loam and sand.

From Project Gutenberg

The beautiful flat arch of that bridge, its graceful lines, and the airy lightness of the structure are unforgetable.

From Project Gutenberg

Such a cast-iron damper also forms a support for the flat arch of brick over the opening if bricks are used.

From Project Gutenberg

If the damper is not built in, it is necessary to use an iron supporting bar to carry this flat arch.

From Project Gutenberg