Triangular arch

Triangular arch

triangular arch

triangular arch
1. An arch often formed by two large diagonal stones that mutually support each other to span an opening; also called a miter arch.
References in periodicals archive ?
Historian David Schnakenberg dates the piece to 1876 - the date shown at the top of the triangular arch of the center building of the Deere factory complex in the illustration.
The name "Moline" is shown on the toolbox, and 1847 (the year Deere's Moline Plow Works was established) appears in two places (at the top of the center building's triangular arch, and between the first and second floors on the left-most building) replacing the 1876 notation on the earlier pieces.