\Top"-ham`per\, n. (Naut.)
The upper rigging, spars, etc., of a ship. [Written also {top
hamper}.]
      All the ships of the fleet . . . were so encumbered
      with tophamper, so overweighted in proportion to their
      draught of water, that they could bear but little
      canvas, even with smooth seas and light and favorable
      winds.                                   --Motley.