A hit that allows the batter to reach second base. Wasei-eigo from English 'two base'; the standard English term is 'double'.
wasei-eigo (Japanese-coined English), from two base
He hit a double in the first inning.
Variant spelling with a middle dot; less common but still seen.
Wasei-eigo from English 'two base'. The standard English baseball term is 'double'.