[n] a vehicle carrying many passengers; used for public transport; "he always rode the bus to work"
[n] a carriage pulled by four horses with one driver
[n] a railcar where passengers ride
[n] a person who gives private instruction (as in singing or acting)
[n] (sports) someone in charge of training an athlete or a team
[v] teach and supervise (someone); act as a trainer or coach (to), as in sports; "He is training our Olympic team"; "She is coaching the crew"
[v] drive a coach
autobus, bus, charabanc, coach-and-four, double-decker, four-in-hand, handler, jitney, manager, motorbus, motorcoach, omnibus, passenger car, private instructor, train, tutor