Meaning of “coach” - Learner’s Dictionary

coach

noun [ C ] uk us /kəʊtʃ/
BUS UK

A2 a comfortable bus used to take groups of people on long journeys:

a coach trip
PERSON

B1 someone whose job is to teach people to improve at a sport, skill, or school subject:

OLD VEHICLE

a vehicle with wheels that is pulled by horses

(Definition of “coach noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)