To go

Arm Arm, n. [AS. arm, earm; akin to OHG. aram, G., D., Dan., & Sw. arm, Icel. armr, Goth. arms, L. armus arm, shoulder, and prob. to Gr. ? joining, joint, shoulder, fr. the root ? to join, to fit together; cf. Slav. rame. ?. See {Art}, {Article}.] 1. The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey. [1913 Webster]

2. Anything resembling an arm; as, (a) The fore limb of an animal, as of a bear. (b) A limb, or locomotive or prehensile organ, of an invertebrate animal. (c) A branch of a tree. (d) A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard. (e) (Naut) The end of a yard; also, the part of an anchor which ends in the fluke. (f) An inlet of water from the sea. (g) A support for the elbow, at the side of a chair, the end of a sofa, etc. [1913 Webster]

3. Fig.: Power; might; strength; support; as, the secular arm; the arm of the law. [1913 Webster]

To whom is the arm of the Lord revealed? --Isa. lii. 1. [1913 Webster]

{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. [1913 Webster]