棊:
1. Same as "棋" (chess).
2. Also refers to "棋". In "集韻•之韻": "棊, '說文' says: '博棊.' Also written as 棋." In "法言•吾子": "Cutting wood into 棊, making it into balls, there are also rules."
3. Phonetic-structure character. The component "木" indicates the meaning related to wood, while the phonetic aspect implies its sound. The original meaning: In ancient times, the pieces used for games collectively referred to as 棋.
4. In "说文": 棊 refers to the game of 棊 (chess).