n. A four-wheeled close vehicle of considerable size; originally, a finely built covered carriage for private use; now, any large inclosed vehicle with the body hung on easy springs, especially one for public conveyance of passengers: as, a stage-coach. See mail-coach, tally-ho.n. A passenger-car on a railroad. See railroad-car.n. An apartment in a large ship of war, near the stern and beneath the poop-deck, usually occupied by the captain.n. A private tutor, especially one employed in preparing for a particular examination.n. A person employed to train a boat's crew or other athletes for a contest.n. The bone of the upper jaw of the sperm-whale. Also called sleigh. C. M. Scammon.To put in a coach; convey in a coach.To run over with a coach.To tutor; give private instruction to; especially, to instruct or train for a special examination or a contest: as, to coach a student for a college examinationl to coach a boat's crew; to coach a new hand in his duties.n. In base-ball one of the players belonging to the side at the bat who takes his position near either first or third base and advises the base-runner when to run.n. A tame bullock or horse used as a decoy in capturing wild cattle or horses.To capture (wild cattle or horses) with the help of a tame bullock or horse as a decoy: see coach, n., 6.