One who coaches; specif. (Baseball), One of the side at the bat posted near first or third base to direct a base runner; also called a coach; as, third base coach.
... "Wow!" yelled the Buffalo coacher. Rube sped up the sidewheeler and Schultz reached wide to meet it and failed. The third was the lightning drop, straight over the plate. The batter poked weakly at it. Then Carl struck out and Manning following, did likewise. Three of the best hitters in ... — The Redheaded Outfield and Other Baseball Stories • Zane Grey
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