What is "order arms"

Order \Or"der\, v. t. [imp. & p. p. Ordered; p. pr. & vb. n. Ordering.] [From Order, n.]

1. To put in order; to reduce to a methodical arrangement; to arrange in a series, or with reference to an end. Hence, to regulate; to dispose; to direct; to rule.

   To him that ordereth his conversation aright.
   --Ps. 1. 23.

   Warriors old with ordered spear and shield.
   --Milton.

2. To give an order to; to command; as, to order troops to advance.

3. To give an order for; to secure by an order; as, to order a carriage; to order groceries.

4. (Eccl.) To admit to holy orders; to ordain; to receive into the ranks of the ministry.

   These ordered folk be especially titled to God.
   --Chaucer.

   Persons presented to be ordered deacons.
   --Bk. of Com. Prayer.

   Order arms (Mil.), the command at which a rifle is brought to a position with its butt resting on the ground; also, the position taken at such a command.

n. a position in the manual of arms; the rifle is held vertically on the right side with the butt on the ground; often used as a command