河か口こうTop 8000MeaningsNounNo-adjective1. mouth of river; estuaryOther readings河かわ口ぐち川かわ口ぐちKanji used河waterway口mouthPitch accentかこうUsed in vocabulary河か口こう港こうport at the mouth of a riverNounExamples1貴方あなたは、川かわ口ぐちが好すきです。You like Kawaguchi.