- A fortified residence, especially that of a prince or
nobleman; a fortress. - Any strong, imposing, and stately mansion. - A small tower, as on a ship, or an elephant's back. - A piece, made to represent a castle, used in the game of
chess; a rook.
2 . Castle
[ 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.