S: (n) pawn ((chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank)
S: (n) bishop ((chess) a piece that can be moved diagonally over unoccupied squares of the same color)
S: (n) castle, rook ((chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard)
S: (n) king ((chess) the weakest but the most important piece)
S: (n) knight, horse (a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa))
S: (n) pawn ((chess) the least powerful piece; moves only forward and captures only to the side; it can be promoted to a more powerful piece if it reaches the 8th rank)