vertical

/ˈvɜːrtɪkəl/
adjective
  1. Standing or pointing straight up and down; at a right angle to the ground or horizon.
    • The wall must be perfectly vertical for the shelves to fit.
    • The elevator moves in a vertical direction.
    • She drew a vertical line down the center of the page.
  2. Relating to the top and bottom of a structure or system, especially in business or organization.
    • Vertical integration means a company controls multiple stages of production.
    • They focus on vertical markets like healthcare and education.
    • The company has a vertical management structure with clear levels of authority.
noun
  1. A vertical line, position, or direction.
    • In geometry class, we learned to draw verticals and horizontals.
    • The plane climbed steeply into the vertical.
    • The flagpole is not exactly on the vertical.