noun
- A large and stately mansion.
- synonyms: palace
- A large building formerly occupied by a ruler and fortified against attack.
- Chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard.
- synonyms: rook
- Interchanging the positions of the king and a rook.
- synonyms: castling
verb
- Move the king two squares toward a rook and in the same move the rook to the square next past the king. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). castle. Retrieved September 20, 2026, from http://smartdefine.org/castle/definitions/1189302 |
| Chicago | WordNet. 2010. "castle" http://smartdefine.org/castle/definitions/1189302 (accessed September 20, 2026). |
| Harvard | WordNet 2010, castle, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/castle/definitions/1189302>. |
| MLA | WordNet. "castle" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/castle/definitions/1189302> |