(archaic) A dramatic, musical, or similar entertainment performed before a monarch or other head of state, especially in a circumstance where that ruler has requested or ordered the performance.

plural of command pattern

(computing) A behavioural design pattern, in which an object is used to represent and encapsulate all the information needed to call a method at a later time.

plural of Command key

plural of second in command

(simile, humorous, dated) Extremely impoverished.

The "mother ship" of the spacecraft that carried astronauts to the Moon in the Apollo missions.

(computing) A user interface in which the user interacts with the computer through lines of text instead of graphical images.

(military) The shore-based officer (aviator) responsible to the landing force commander for control and coordination of air operations within the landing force commander's area of operations when control of these operations is passed ashore.

plural of tactical air commander