A carriage pulled by four horses with one driver(noun)
WordNet. Princeton University. 2010.
Use "coach-and-four" in a sentence
"The founders modeled their conventions upon this precept, refusing to travel by anything other than a coach-and-four equipped with a small corner stove, fueled by trees they hacked at from the roads while they traveled."
"I would have thought that discriminating against someone one the grounds of his or her colour is simply wrong in any circumstance and the concept of ‘fair’ discrimination drives a coach-and-four through the notion of all citizens being equal before the law and having the right to equal protection and benefit of the law."
"In the ads, Mr. Lampton looked like nothing so much as a Dickens character, in a greatcoat and top hat, perched on his coach-and-four, with his long gray eyebrows and wrinkled leonine head."