俵

1. Origins, structure, and basic meaning

• Structure: The single kanji 俵, read たわら, denotes a straw bale or its unit.
• Basic usage: 俵 denotes a straw bale or sack for grain and can also count that unit in forms such as 一俵.

2. Common pitfalls and similar expressions

• Straw bale and counting unit
  • Context distinguishes the container from the quantity counted by the bale.