1. the half of a chessboard on which the king stands at the start of the game
Usage: chess

1. relating to or located on the kingside of a chessboard
Usage: chess

Examples

• The white king castled kingside for safety.
• She launched a fierce attack on the kingside.
• The kingside pawns were weakened after the exchange.
• He moved his rook to defend the kingside.
• The kingside knight jumped to f3.
• Black’s kingside castle was completed early in the game.