three-sword style; wielding three swords
Primarily known from the manga/anime One Piece, where the character Roronoa Zoro fights with three swords. Used as a noun to describe the style or the act of using three swords.
Zoro's three-sword style is powerful.
three-way player; player who can pitch, field, and bat
Baseball term for a player capable of performing as a pitcher, fielder, and batter. Modeled on 二刀流 (two-way player).
See also: 二刀流
He is attracting attention as a three-way player.
Compound of 三 (three), 刀 (sword), and 流 (style/school). The baseball sense is an extension of the sword-fighting term, influenced by 二刀流.