1.
flushing, water washing
Washing or cleaning with water, especially referring to flush toilets or water-based cleaning systems.
水洗 most commonly appears in 水洗トイレ (flush toilet), distinguishing it from older pit-style toilets.
COMMON USES:
- 水洗トイレ: flush toilet
- 水洗化: converting to flush/water systems
- 水洗式: flush type, water-wash style
NOTE: This is a homophone with 推薦 (recommendation) and 水仙 (narcissus/daffodil).