The hall was put up in 1446, and is therefore in the Perpendicular style.
"Never," answered the mender of roads, recovering his perpendicular.
Do you see that narrow ledge on the top of the perpendicular cliff on the right?
The settling of the wharf had thrown the door and its frame out of the perpendicular.
The post must, of course, be perpendicular to the tops of the plates.