Japanese

Noun

両唇音 ‎(hiragana りょうしんおん, romaji ryōshin'on, historical hiragana りやうしんおん)

1. (phonetics) bilabial

References

1. ↑ 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9