Dictionary/制球せいきゅうSeikyuu制球 (Seikyuu) is a Japanese noun meaning “(pitcher's) control”.Meaningsnoun(pitcher's) controlKanji in 制球制system球ballRelated words玉ball地球Earth野球baseball制服uniform制作work (film, book)制system球sphere野球部baseball club (at a university, corporation, etc.)製造manufacture強制compulsion制度system制御control (of a machine, device, etc.)