1. at right angles: at right angles to a line or plane
2. vertical: perfectly vertical
3. steep: very steep
4. architecture in late Gothic style: relating to or typical of a style of Gothic architecture in which tall narrow facades, windows, and doors, and vaulted ceilings are characteristic. It was popular in England in the 14th and 15th centuries.
noun (pluralper·pen·dic·u·lars)
Definition:
1. perpendicular line: a perpendicular line or plane
2. device finding vertical: any device used to establish a vertical line, e.g. a spirit level or a plumb line
3. sheer rock: a sheer rock face
[14th century. Directly or via French< Latin perpendicularis< perpendiculum "plumb line" < perpendere "weigh thoroughly" < pendere "weigh"]
