JMdict: 1805680

快便 【かいべん】

  1. [n] comfortable bowel movement
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
快 Cheerful, Pleasant, Agreeable, Comfortable カイ こころよ.い 5
便 Convenience, Facility, Excrement, Feces, Letter, Chance ベン, ビン たよ.り 4