noun
old sword fighting style; sword drawing school from Shizuoka
Refers to a specific historical martial arts school (ryūha) specializing in iaijutsu (sword drawing) and kenjutsu, originating in Shizuoka prefecture.
水鴎流は静岡県に伝わる古武道の流派です。
Suio-ryu is a traditional martial arts school transmitted in Shizuoka Prefecture.
彼は水鴎流の免許皆伝を取得した。
He received full proficiency certification in Suio-ryu.
The name 水鴎流 (Suio-ryu) is a proper noun for a specific martial arts school; the exact origin of the name is uncertain, but it likely combines 水 (water) and 鴎 (seagull) with 流 (style/school).