- (n.) A small tower, as on a ship or an elephant's back.
- (n.) Any strong, imposing, and stately mansion.
- (n.) A fortified residence, especially that of a prince or nobleman; a fortress.
- (v.i.) To move the castle to the square next to king, and then the king around the castle to the square next beyond it, for the purpose of covering the king.
- (n.) A piece, made to represent a castle, used in the game of chess; a rook.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). castle. Retrieved September 21, 2026, from http://smartdefine.org/castle/definitions/1985162 |
| Chicago | Webster's. 2011. "castle" http://smartdefine.org/castle/definitions/1985162 (accessed September 21, 2026). |
| Harvard | Webster's 2011, castle, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/castle/definitions/1985162>. |
| MLA | Webster's. "castle" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/castle/definitions/1985162> |