(feudal law) The fee of a knight; specifically, the amount of land that imposed the obligation of knight service upon the landholder, being sometimes a hide or less, sometimes six or more hides.

(history) One made a knight during a time of peace and therefore for some reason other than military distinction or service.

(UK, historical) An officer in the royal household, responsible for maintaining order in court.

A mediaeval knight who led troops under his own banner.

A knight-errant.

The character or actions of wandering knights; the practice of wandering in quest of adventures. / Chivalry; a quixotic or romantic adventure or scheme.

plural of knight-errantry

(business) An individual or corporation that intends to acquire another company in order to avert a hostile takeover. / (fiction) A hero, savior, or righteous individual.

(figuratively, derogatory) To unnecessarily defend someone, especially in an attempt to gain favour.

A powerful rank of Jedi below that of Jedi Master.