一塁 (いちるい, ichirui) Japanese meaning: first base | KotomoraThere is a runner on first base.
Usage patterns
〈人〉が一塁に進むfor a runner to advance to first base
The batter advanced to first base.
一塁を守るto play (the position of) first base
He plays first base on the team.
一塁でアウトになるto be called out at first base
The runner was called out at first base.