The Collaborative International Dictionary of English v.0.48:

Pointed \Point"ed\, a.
   1. Sharp; having a sharp point; as, a pointed rock.
      [1913 Webster]

   2. Characterized by sharpness, directness, or pithiness of
      expression; terse; epigrammatic; especially, directed to a
      particular person or thing.
      [1913 Webster]

            His moral pleases, not his pointed wit. --Pope.
      [1913 Webster]

   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.
      [1913 Webster] -- Point"ed*ly, adv. -- Point"ed*ness,
      n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pointed arch
    n 1: an arch with a pointed apex; characteristic of Gothic
         architecture