[1] : The Collaborative International Dictionary of English v.0.48

arms \arms\, n. pl. oe. armes, f. arme, pl. armes, fr. l. arma,
   pl., arms, orig. fittings, akin to armus shoulder, and e.
   arm. see arm, n.
   1. instruments or weapons of offense or defense.
      1913 webster

            he lays down his arms, but not his wiles. --milton.
      1913 webster

            three horses and three goodly suits of arms.
                                                  --tennyson.
      1913 webster

   2. the deeds or exploits of war; military service or science.
      "arms and the man i sing." --dryden.
      1913 webster

   3. law anything which a man takes in his hand in anger, to
      strike or assault another with; an aggressive weapon.
      --cowell. blackstone.
      1913 webster

   4. her. the ensigns armorial of a family, consisting of
      figures and colors borne in shields, banners, etc., as
      marks of dignity and distinction, and descending from
      father to son.
      1913 webster

   5. falconry the legs of a hawk from the thigh to the foot.
      --halliwell.
      1913 webster

   bred to arms, educated to the profession of a soldier.

   in arms, armed for war; in a state of hostility.

   small arms, portable firearms known as muskets, rifles,
      carbines, pistols, etc.

   a stand of arms, a complete set for one soldier, as a
      musket, bayonet, cartridge box and belt; frequently, the
      musket and bayonet alone.

   to arms a summons to war or battle.

   under arms, armed and equipped and in readiness for battle,
      or for a military parade.
      1913 webster

   arm's end,

   arm's length,

   arm's reach. see under arm.
      1913 webster
see also:
arm bred to arms in arms small arms a stand of arms to arms 
under arms arm's end arm's length arm's reach 

Arms >> A Words
Arms, definition of term: Arms
arms_pag1.html

Arms Race >> A Words
Arms Race, definition of term: Arms Race
arms+race_pag1.html

Arms Length >> A Words
Arms Length, definition of term: Arms Length
arms+length_pag1.html

College Of Arms >> C Words
College Of Arms, definition of term: College Of Arms
college+of+arms_pag1.html

Coat Of Arms >> C Words
Coat Of Arms, definition of term: Coat Of Arms
coat+of+arms_pag1.html