weapon

weapon
    n 1: any instrument or instrumentality used in fighting or
         hunting; "he was licensed to carry a weapon" [syn:
         {weapon}, {arm}, {weapon system}]
    2: a means of persuading or arguing; "he used all his
       conversational weapons" [syn: {weapon}, {artillery}]
    

Weapon \Weap"on\ (w[e^]p"[u^]n; 277), n. [OE. wepen, AS.
   w[=ae]pen; akin to OS. w[=a]pan, OFries. w[=e]pin, w[=e]pen,
   D. wapen, G. waffe, OHG. waffan, w[=a]fan, Icel. v[=a]pn,
   Dan. vaaben, Sw. vapen, Goth. w[=e]pna, pl.; of uncertain
   origin. Cf. {Wapentake}.]
   [1913 Webster]
   1. An instrument of offensive of defensive combat; something
      to fight with; anything used, or designed to be used, in
      destroying, defeating, or injuring an enemy, as a gun, a
      sword, etc.
      [1913 Webster]

            The weapons of our warfare are not carnal. --2 Cor.
                                                  x. 4.
      [1913 Webster]

            They, astonished, all resistance lost,
            All courage; down their idle weapons dropped.
                                                  --Milton.
      [1913 Webster]

   2. Fig.: The means or instrument with which one contends
      against another; as, argument was his only weapon.
      "Woman's weapons, water drops." --Shak.
      [1913 Webster]

   3. (Bot.) A thorn, prickle, or sting with which many plants
      are furnished.
      [1913 Webster]

   {Concealed weapons}. See under {Concealed}.

   {Weapon salve}, a salve which was supposed to cure a wound by
      being applied to the weapon that made it. [Obs.] --Boyle.
      [1913 Webster]
    

23 Moby Thesaurus words for "weapon":
      A-weapons, armament, arms, biological weapons,
      conventional weapons, cutting edge, deadly weapons, edge,
      edge tool, featheredge, instruments of destruction, knife-edge,
      missilery, munitions, musketry, nuclear weapons, ordnance,
      razor-edge, side arms, small arms, thermonuclear weapons, weaponry,
      weapons