1. Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun

   1.

   vertical; perpendicular

2. Na-adjective (keiyodoshi), Noun, Noun which may take the genitive case particle 'no'

   2.

   perpendicular

3. Wikipedia definition

   3.

   Perpendicular

Example sentences

• その崖はほとんど垂直です。

  The cliff is almost vertical.

• その柱は垂直になっていない。

  That pole is not quite vertical.