(law) A legal doctrine that designates a person's abode, or any legally occupied place, such as a vehicle or workplace, as a place in which that person has protections and immunities permitting him or her to use force to defend against intrusion.

(historical) A castle, in the Middle Ages and the Early Modern Era, that guarded a customs post and where tolls were collected.

plural of toll castle

A home rule municipality of Garfield County, Colorado, United States. / A city in New Castle County, Delaware, United States. / A city, the county seat of Henry County, Indiana, United States.

plural of castle nut

(idiomatic) A desire, idea, or plan that is unlikely to ever be realized; a visionary project or scheme; a daydream, an idle fancy, a near impossibility.

plural of castle in the air

A large inflatable structure, resembling a castle etc., on which children jump and play as on a trampoline.

A small city, the county seat of Emery County, Utah, United States.

A village, a civil parish and country house in South Northamptonshire district, Northamptonshire, England (OS grid ref SP8659).