WordNet
fallen arch
n. an instep flattened so the entire sole rests on the ground [syn: sunken arch]
Usage examples of "fallen arch".
As Bwr, Quman, and Ungrians filtered in, they were sent out into the clearing to cover the flanks to ensure safe passage from the line of retreat to the fallen arch of the gate.
The fallen arch of ceiling dome overhead had protected them from the falling debris, but the rising muck and water had found them.
Where Feyman's Gate had stood wide, now there was but a tangle of broken stone from the fallen arch.