To treat as a back order.

(military) The arrangement of units or other divisions of the armed forces in combat; specifically, the deployment plans of an enemy, or a written record of this.

A task which needs to be completed. / The sequence in which tasks need to be completed in order of importance or priority; an agenda.

(set theory, order theory) Capable of being well-ordered.

plural of stroke order

(nautical, historical) A permission granted by the customs department to take cargo or ballast on board before the old cargo is out, in order to steady the ship.

plural of stiffening order

plural of suppression order

A gag order.

plural of well-ordering