Perpendicular

English Meaning

Exactly upright or vertical; pointing to the zenith; at right angles to the plane of the horizon; extending in a right line from any point toward the center of the earth.

1. Mathematics Intersecting at or forming right angles.
2. Being at right angles to the horizontal; vertical. See Synonyms at vertical.
3. Of or relating to a style of English Gothic architecture of the 14th and 15th centuries, characterized by emphasis of the vertical element.
4. In a perpendicular position.
5. Mathematics A line or plane perpendicular to a given line or plane.
6. A perpendicular position.
7. A device, such as a plumb line, used in marking the vertical from a given point.
8. A vertical or nearly vertical line or plane.