The Collaborative International Dictionary of English v.0.48:

Top \Top\, v. i. [imp. & p. p. Topped; p. pr. & vb. n.
   Topping.]
   1. To rise aloft; to be eminent; to tower; as, lofty ridges
      and topping mountains. --Derham.
      [1913 Webster]

   2. To predominate; as, topping passions. "Influenced by
      topping uneasiness." --Locke.
      [1913 Webster]

   3. To excel; to rise above others.
      [1913 Webster]

            But write thy, and top.               --Dryden.
      [1913 Webster]

   4. (Golf) To strike a ball above the center.
      [Webster 1913 Suppl.]

   5. (Naut.) To rise at one end, as a yard; -- usually with up.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

topped
    adj 1: having a top of a specified character [ant: topless]