Third-person singular simple present indicative form of build castles in the air

Synonym of bouncing castle

The first fast-food hamburger chain and one of the oldest American fast-food restaurant chains, known for its Slyder, a small square burger.

A nut with rounded extensions projecting past the nut's opening. A cotter pin is inserted through a hole in the bolt and bent around the castle nut's projections to lock the nut in place.

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.

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

The guard or defence of a castle. / (UK, law, obsolete) A tax or imposition on a dwelling within a certain distance of a castle, for the purpose of maintaining watch and ward in it; castleward.

Synonym of bouncing castle

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