車輪

1. Origins, structure, and basic meaning

• Structure: 車輪 is read as しゃりん and is a noun for a wheel attached to an axle so a bicycle, cart, or vehicle can roll.
• Basic usage: A bicycle wheel appears in 自転車の車輪, while a cart wheel appears in 荷車の車輪.

2. Common pitfalls and similar expressions

• The complete rotating wheel
  • It refers to the wheel structure rotating around an axle, not only its rubber outer part.
• Difference from タイヤ
  • The comparison term centers on the rubber part touching the road, while this word denotes the wheel as a whole.