Synonyms for castle

Noun

1. palace, castle, mansion, mansion house, manse, hall, residence

usage: a large and stately mansion

2. castle, fortification, munition

usage: a large building formerly occupied by a ruler and fortified against attack

3. castle, rook, chessman, chess piece

usage: (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard

4. castle, castling, chess move

usage: interchanging the positions of the king and a rook

Verb

1. castle, move, go

usage: move the king two squares toward a rook and in the same move the rook to the square next past the king