일본 전통 예술이나 무술에서 전해 내려오는 유파 또는 계보.
A school, style, or lineage in Japanese traditional arts, particularly within the context of martial arts.
예문:
"The master established a new ryu that combined traditional sword techniques with modern footwork."
"Students of this specific ryu are known for their emphasis on defensive maneuvers and mental discipline."