ARM

Definitions

1. 1. The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey.
2. 2. Anything resembling an arm; as,
3. 3. The fore limb of an animal, as of a bear.
4. 4. A limb, or locomotive or prehensile organ, of an invertebrate animal.
5. 5. A branch of a tree.
6. 6. A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard.
7. 7. An inlet of water from the sea.
8. 8. A support for the elbow, at the side of a chair, the end of a sofa, etc.
9. 9. Fig.: Power; might; strength; support; as, the secular arm; the arm of the law. To whom is the arm of the Lord revealed Isa. lii. 1. Arm's end, the end of the arm; a good distance off. Dryden. -- Arm's length, the length of the arm. -- Arm's reach, reach of the arm; the distance the arm can reach. -- To go (or walk) arm in arm, to go with the arm or hand of one linked in the arm of another. "When arm in armwe went along." Tennyson. -- To keep at arm's length, to keep at a distance (literally or figuratively); not to allow to come into close contact or familiar intercourse. -- To work at arm's length, to work disadvantageously.