(stock market) An instruction to a stock broker to sell stocks immediately, at whatever price reflects the current value of the stock.

To formally begin or restore the orderly functioning of (a meeting or assembly or legislature or similar body).

(intransitive, of a meeting, assembly, proceeding, legislature, court) To come to an orderly state allowing it to conduct its business.

(transitive) To initiate or restore the orderly functioning of (a meeting or function or assembly or court), usually by pounding a gavel or similar hammer.

(chemistry) The number of bonds between a pair of atoms in a molecule

An order that cannot be currently filled or shipped, but is requested nonetheless for when the item becomes available again.

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.