资料来源 : pyDict

家庭教师;教练;训练员

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Coacher \Coach"er\, n.
   1. A coachman. [Obs.]

   2. A coach horse.

   3. One who coaches; specif. (Baseball), one of the side at
      the bat posted near first or third base to direct a base
      runner.