skew arch

American  

noun

1. an arch, as at the entrance to a tunnel, having sides, or jambs, that are not at right angles with the face.

---

skew arch British  

noun

1. an arch or vault, esp one used in a bridge or tunnel, that is set at an oblique angle to the span

---

Etymology

Origin of skew arch

First recorded in 1835–45

Example Sentences

Another bridge is a perfectly constructed skew arch, which the train crosses a few feet after leaving Chicago.

From Harper's Round Table, June 4, 1895 by Various

Concrete was used for a skew arch over the River Dochart, on the Killin Railway, Scotland.

From Concrete Construction Methods and Costs by Gillette, Halbert Powers