perpendicular

Adjective

• extremely steep
  • the great perpendicular face of the cliff
    

• 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
    

• intersecting at or forming right angles
  • the axes are perpendicular to each other
    

Noun

• an extremely steep face

• 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

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

• a straight line at right angles to another line

Related words

• Synonyms: 
  vertical , plumb line , perpendicular style , English-Gothic , English-Gothic architecture
• Antonyms: 
  inclined , horizontal , oblique , parallel