1.(sports) someone in charge of training an athlete or a team
2.a person who gives private instruction (as in singing or acting)
3.a railcar where passengers ride
4.a carriage pulled by four horses with one driver
5.a vehicle carrying many passengers; used for public transport;
he always rode the bus to work
1.teach and supervise (someone); act as a trainer or coach (to), as in sports;
He is training our Olympic team
2.drive a coach