1. Intersecting at or forming right angles Adjective
2. At right angles to the plane of the horizon or a base line Adjective
3. A straight line at right angles to another line Noun
4. A Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting Noun
5. 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 Noun
6. An extremely steep face Noun
7. So steep as to be nearly veritcal Adjective Satellite