Japanese

Noun

川口 ‎(hiragana かわぐち, romaji kawaguchi)

1. mouth of river, estuary

Alternative forms

• 河口

Proper noun

川口 ‎(hiragana かわぐち, romaji Kawaguchi)

1. A surname​.
2. a place name, such as that of Kawaguchi City in Saitama Prefecture

References

1. ↑ 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3