Someone in charge of training an athlete or a team; SYN. manager, handler.

ETYM French coche, from Italian cocchio, dim. of cocca little boat, from Latin concha mussel, mussel shell.
1. A carriage pulled by four horses with one driver; SYN. four-in-hand, coach-and-four.
2. A person who gives private instruction (as in singing or acting); SYN. private instructor, tutor.

A railroad passenger car intended primarily for day travel.

1. To drive a coach.
2. To teach and supervise, as in sports or acting; SYN. train.