硬こう式しき野や球きゅう

noun

regulation baseball; hardball

Refers to baseball played with a hard ball, as opposed to 軟式野球 (rubber-ball baseball). Used in contexts like school clubs and official competitions.

See also: 軟式野球

• 高こう校こうから硬こう式しき野や球きゅう部ぶに入はいった。