Definition of CASTLE

noun : CASTLE

Source: WordNet 3.1

  • 2. (

    ) a large building formerly occupied by a ruler and fortified against attack ;

  • 3. (

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

verb : CASTLE

Source: WordNet 3.1

  • 1. (

    ) move the king two squares toward a rook and in the same move the rook to the square next past the king ;


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