The Collaborative International Dictionary of English v.0.48:

Racket \Rack"et\ (r[a^]k"[e^]t), n. [F. raquette; cf. Sp.
   raqueta, It. racchetta, which is perhaps for retichetta, and
   fr. L. rete a net (cf. Reticule); or perh. from the Arabic;
   cf. Ar. r[=a]ha the palm of the hand (used at first to strike
   the ball), and OF. rachette, rasquette, carpus, tarsus.]
   [Written also racquet.]
   1. A thin strip of wood, having the ends brought together,
      forming a somewhat elliptical hoop, across which a network
      of catgut or cord is stretched. It is furnished with a
      handle, and is used for catching or striking a ball in
      tennis and similar games.
      [1913 Webster]

            Each one [of the Indians] has a bat curved like a
            crosier, and ending in a racket.      --Bancroft.
      [1913 Webster]

   2. A variety of the game of tennis played with peculiar
      long-handled rackets; -- chiefly in the plural. --Chaucer.
      [1913 Webster]

   3. A snowshoe formed of cords stretched across a long and
      narrow frame of light wood. [Canada]
      [1913 Webster]

   4. A broad wooden shoe or patten for a man or horse, to
      enable him to step on marshy or soft ground.
      [1913 Webster]

   Racket court, a court for playing the game of rackets.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Racquet \Rac"quet\ (r[a^]k"k[e^]t), n.
   See Racket.
   [1913 Webster]

WordNet (r) 3.0 (2006):

racquet
    n 1: a sports implement (usually consisting of a handle and an
         oval frame with a tightly interlaced network of strings)
         used to strike a ball (or shuttlecock) in various games
         [syn: racket, racquet]