Definition: A "trumpet arch" is a type of architectural feature that is shaped like a trumpet. More specifically, it is a conical squinch, which means it is a curved structure that helps support a dome or archway. The shape resembles a trumpet's bell, where it is wide at the bottom and narrows toward the top.
In advanced discussions about architecture, you might compare different types of arches or squinches. You could say: - "The trumpet arch is more aesthetically pleasing than a plain squinch, as it provides a graceful transition from the square base to the circular dome."
The term "trumpet arch" specifically refers to an architectural feature that helps support domes or arches with its trumpet-like shape. It is a specialized term used mainly in discussions about architecture.