1.Definition: a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point

Category: Objects

2.Definition: a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting

Category: General

3.Definition: a straight line at right angles to another line

Category: General

4.Definition: an extremely steep face

Category: Objects