adj.
1.intersecting at or forming right angles
2.at right angles to the plane of the horizon or a base line
3.extremely steep perpendicular n.
1.a straight line at right angles to another line
2.a Gothic style in 14th and 15th century England
3.a cord from which a metal weight is suspended pointing directly to the earth's center of gravity
4.an extremely steep face
Idiom of the Day
pull one's punches
to hold back in one's criticism, for a boxer to hit with light punches
The manager was pulling his punches when he began to criticize his workers.