(Australia) mind your own business; an admonition to an uninvolved person not to interfere

(US, sports) A coach who is assigned the task of ensuring another coach (usually the head coach) gets out of the way of the referees during games.

plural of get-back coach

(Britain, idiomatic) To spoil, break or render ineffective (a rule, plan or agreement).

Alternative form of drive a coach and horses through

A man who drives a horse-drawn coach, a male coach driver. / (South Africa) A fish in the genus Heniochus, either Heniochus acuminatus or Heniochus diphreutes.

The body of a motor vehicle (as opposed to the chassis).

plural of coachman

(historical) A builder of horse-drawn coaches. / A person or company who makes and fits the bodywork of vehicles such as cars, buses and railway carriages.

plural of coachbuilder