Source : Webster's Revised Unabridged Dictionary (1913)

Dock \Dock\, v. t. [imp. & p. p. {Docked}; p. pr. & vb. n.
   {Docking}.] [See {Dock} a tail. Cf. W. tociaw, and twciaw, to
   dock, clip.]
   1. to cut off, as the end of a thing; to curtail; to cut
      short; to clip; as, to dock the tail of a horse.

            His top was docked like a priest biforn. -- Chaucer.

   2. To cut off a part from; to shorten; to deduct from; to
      subject to a deduction; as, to dock one's wages.

   3. To cut off, bar, or destroy; as, to dock an entail.

Source : WordNet®

docked
     adj 1: that in a dock; "a docked ship"
     2: (of animals) having ears or tail cut short; "doberman
        pinschers with docked tails and ears" [syn: {clipped}]