Source : Webster's Revised Unabridged Dictionary (1913)

Pointed \Point"ed\, a.
   1. Sharp; having a sharp point; as, a pointed rock.

   2. Characterized by sharpness, directness, or pithiness of
      expression; terse; epigrammatic; especially, directed to a
      particular person or thing.

            His moral pleases, not his pointed wit. --Pope.

   {Pointed arch} (Arch.), an arch with a pointed crown.

   {Pointed style} (Arch.), a name given to that style of
      architecture in which the pointed arch is the predominant
      feature; -- more commonly called {Gothic}. --
      {Point"ed*ly}, adv. -- {Point"ed*ness}, n.

Source : WordNet®

pointed arch
     n : an arch with a pointed apex