vertical

US /ˈvɝː.t̬ə.kəl/
UK /ˈvɝː.t̬ə.kəl/
"vertical" picture
1.

at right angles to a horizontal plane; in a direction, or having an alignment, such that the top is directly above the bottom.

:
The pole stood perfectly vertical.
Draw a vertical line on the paper.
1.

a vertical line or plane.

:
The architect checked the vertical of the wall.
The cliff face was almost a perfect vertical.