水栓

1. Origins, structure, and basic meaning

• Structure: 水栓（すいせん） means a faucet or water valve. 栓 relates to a device that blocks a flow.
• Basic usage: It appears in descriptions of water fittings in places such as kitchens and gardens.

2. Common pitfalls and similar expressions

• Everyday wording and equipment terminology
  • 蛇口 is a common everyday word for a faucet, while 水栓 also fits descriptions of equipment types and installation.
• Distinguishing homophones in writing
  • 水栓 and 水洗 are both read すいせん, but the former is a device controlling water flow and the latter means washing with water.