Noun
the usher to the Chapter of the Garter, so called from the black rod which he carries. He is of the king's chamber, and also usher to the House of Lords.
Source: Webster's dictionaryNew Labour, New Black Rod. Dennis Skinner
Black Rod's Garden (named after the office of Gentleman Usher of the Black Rod ) is closed to the public and is used as a private entrance. Source: Internet
Black Rod (as the Gentleman Usher is normally known) is responsible for ceremonial arrangements, is in charge of the House's doorkeepers, and may (upon the order of the House) take action to end disorder or disturbance in the Chamber. Source: Internet
Black Rod also holds the office of Serjeant-at-Arms of the House of Lords, and in this capacity attends upon the Lord Speaker. Source: Internet
Black Rod has to strike the door three times with a staff, to be admitted and issue the summons from the monarch to the MPs to attend. Source: Internet
Mr Bercow now faces fresh bullying allegations from Lieutenant General David Leakey – the former Black Rod. Source: Internet