JMdict: 1652490

用便 【ようべん】

  1. [n,vs] relieving oneself; going to the toilet
  2. [n,vs] finishing one's business
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
用 Utilize, Business, Service, Use, Employ ヨウ もち.いる
便 Convenience, Facility, Excrement, Feces, Letter, Chance ベン, ビン たよ.り