1. (

• perpendicular

) a straight line at right angles to another line ;

2. (

• perpendicular ,
• perpendicular_style ,
• English-Gothic ,
• English-Gothic_architecture

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

3. (

• plumb_line ,
• perpendicular ,

) 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 ;

4. (

• perpendicular

) an extremely steep face ;

1. (

• perpendicular

) intersecting at or forming right angles; "the axes are perpendicular to each other" ;

2. (

• vertical ,
• perpendicular ,

) at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height" ;

3. (

• perpendicular

) so steep as to be nearly veritcal; "the great perpendicular face of the cliff" ;