vertical in WordNet English dictionary

1. upright in position or posture
   "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright"
   erect  vertical  upright 
   
2. 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"
   vertical  perpendicular 
   
3. relating to or involving all stages of a business from production to distribution
   vertical 
   
4. of or relating to different levels in a hierarchy (as levels of social class or income group)
   "vertical social mobility"
   vertical 
   

1. a vertical structural member as a post or stake
   "the ball sailed between the uprights"
   upright  vertical 
   
2. something that is oriented vertically
   vertical