The Collaborative International Dictionary of English v.0.48:

Rigging \Rig"ging\, n.
   Dress; tackle; especially (Naut.), the ropes, chains, etc.,
   that support the masts and spars of a vessel, and serve as
   purchases for adjusting the sails, etc. See Illustr. of
   Ship and Sails.
   [1913 Webster]

   Running rigging (Naut.), all those ropes used in bracing
      the yards, making and shortening sail, etc., such as
      braces, sheets, halyards, clew lines, and the like.

   Standing rigging (Naut.), the shrouds and stays.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rig \Rig\, v. t. [imp. & p. p. Rigged; p. pr. & vb. n.
   Rigging.] [Norweg. rigga to bind, particularly, to wrap
   round, rig; cf. AS. wr[imac]han to cover.]
   1. To furnish with apparatus or gear; to fit with tackling.
      [1913 Webster]

   2. To dress; to equip; to clothe, especially in an odd or
      fanciful manner; -- commonly followed by out.
      [1913 Webster]

            Jack was rigged out in his gold and silver lace.
                                                  --L'Estrange.
      [1913 Webster]

   To rig a purchase, to adapt apparatus so as to get a
      purchase for moving a weight, as with a lever, tackle,
      capstan, etc.

   To rig a ship (Naut.), to fit the shrouds, stays, braces,
      etc., to their respective masts and yards.
      [1913 Webster]

WordNet (r) 3.0 (2006):

rigging
    n 1: gear consisting of ropes etc. supporting a ship's masts and
         sails [syn: rigging, tackle]
    2: formation of masts, spars, sails, etc., on a vessel [syn:
       rig, rigging]