棋子在棋盘游戏中，如在国际象棋或西洋跳棋中所使用的任何一个子 Any of the pieces used in a board game, such as chess or checkers.
她把国际象棋的棋子摆在棋盘上了。 She set out the pieces on the chess-board.
兵，小卒价值最小的棋子，一次可向前移一方格或在第一步可移两格，只能吃对方靠对角线前方的一个子，当到达第八级时可升为除王以外的任何一棋子 A chess piece of lowest value that may move forward one square at a time or two squares in the first move, capture other pieces only on a one-space diagonal forward move, and be promoted to any piece other than a king upon reaching the eighth rank.
