A person holding a rank in the RAF between that of squadron leader and group captain, equivalent to an army lieutenant colonel

(UK) A document issued by the government and presented to Parliament.

plural of command paper

(US, historical) A group of private citizens who administered justice where they considered governmental structures to be inadequate.

(military) The headquarters of a given unit; the operational base of a unit's commanding officer.

plural of command post

(bacteriology) A variety of bacillus shaped like a comma, found in the intestines of patients suffering from cholera.

The Lord High Commissioner to the General Assembly of the Church of Scotland, the representative of the Scottish (later British) monarch to the established church of Scotland appointed annually since 1690.

(computing) A spoken instruction to a computer.

(dated, fandom slang) Correspondence, usually a letter, sent to a periodical commenting on either the contents of a previous issue or an earlier letter of comment.