arm

n.

  1. The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey.
  2. Anything resembling an arm
  3. The fore limb of an animal, as of a bear.
  4. A limb, or locomotive or prehensile organ, of an invertebrate animal.
  5. A branch of a tree.
  6. A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard.
  7. The end of a yard; also, the part of an anchor which ends in the fluke.
  8. An inlet of water from the sea.
  9. A support for the elbow, at the side of a chair, the end of a sofa, etc.
  10. Fig.: Power; might; strength; support; as, the secular arm; the arm of the law.
  11. A branch of the military service; as, the cavalry arm was made efficient.
  12. A weapon of offense or defense; an instrument of warfare; -- commonly in the pl.

v. t.

  1. To take by the arm; to take up in one's arms.
  2. To furnish with arms or limbs.
  3. To furnish or equip with weapons of offense or defense; as, to arm soldiers; to arm the country.
  4. To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency; as, to arm the hit of a sword; to arm a hook in angling.
  5. Fig.: To furnish with means of defense; to prepare for resistance; to fortify, in a moral sense.

v. i.

  1. To provide one's self with arms, weapons, or means of attack or resistance; to take arms.