Meaning of order arms

or'der arms'

Pronunciation: [key]
  1. (in the manual of arms in close-order drill) a position in which the rifle is held at the right side, with its butt on the ground.
  2. (as an interjection) the command to move the rifle to this position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.