Japanese

Noun

鸚鵡貝 ‎(hiragana おうむがい, katakana オウムガイ, romaji ōmugai, historical hiragana おうむがひ)

1. a nautilus, specifically a chambered nautilus

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