1.
first baseman
In baseball, the fielder who defends the area around first base. Often abbreviated to 一塁 when context makes the position clear.
一塁手がボールを捕った。
The first baseman caught the ball.
彼は長い間チームの一塁手を務めた。
He played first baseman for the team for a long time.
背の高い選手が一塁手に選ばれることが多い。
Tall players are often chosen as first basemen.
Compound of 一塁 (first base) + 手 (hand, person; suffix for player). The ~手 suffix is used across baseball positions.
BASEBALL POSITIONS:
- 投手: pitcher
- 捕手: catcher
- 一塁手: first baseman
- 二塁手: second baseman
- 三塁手: third baseman
- 遊撃手: shortstop
- 外野手: outfielder
USAGE NOTE:
In casual speech, ファースト} (from English "first") is more common than {一塁手. The kanji form appears more often in writing, news, and formal contexts.