castle
cas-tle · noun
Definitions
noun
- 1.
A large fortified building or group of buildings, typically from medieval times.
- 2.
In chess, to make a special move involving the king and a rook.
- 3.
A large impressive house, especially one that resembles a fortress.
- 4.
In chess, the rook piece.
Forms
plural: castles
Phrases & expressions
- •castle in the air/sky — an unrealistic fantasy or daydream
- •a man's home is his castle — one has the right to privacy in their home
- •sand castle — a model castle built from sand
Related words
Etymology
From Old English castel, from Latin castellum ("fortress"), diminutive of castrum ("fort, fortified place"). Related to French chateau.