洗濯槽

1. Origins, structure, and basic meaning

• Structure: 洗濯槽 is read as せんたくそう and combines 洗濯 with 槽, a tub, to denote the drum or tub that holds laundry and water.
• Basic usage: Use 洗濯槽の内側 for its interior and 洗濯槽を掃除する when the drum itself is the cleaning target.

2. Common pitfalls and similar expressions

• Scope versus 洗濯機
  • 洗濯機 is the whole washing machine; 洗濯槽 is the internal tub or drum that receives the laundry.
• Meaning of drum
  • Here drum is an appliance component, not a musical instrument or an unrelated cylindrical container.