Pronunciation: (kōch),[key] —n. 1. a large, horse-drawn, four-wheeled carriage, usually enclosed.
2. a public motorbus.
3. Railroads.See day coach. 4. Also called air coach. a class of airline travel providing less luxurious accommodations than first class at a lower fare.
5. a person who trains an athlete or a team of athletes: a football coach. 6. a private tutor who prepares a student for an examination.
7. a person who instructs an actor or singer.
8. Baseball.a playing or nonplaying member of the team at bat who is stationed in the box outside first or third base to signal instructions to and advise base runners and batters.
9. Naut.an after cabin in a sailing ship, located beneath the poop deck, for use esp. by the commander of the ship.
10. a type of inexpensive automobile with a boxlike, usually two-door, body manufactured in the 1920s.
11. See mobile home.
—v.t. to give instruction or advice to in the capacity of a coach; instruct: She has coached the present tennis champion.
—v.i. 1. to act as a coach.
2. to go by or in a coach.
—adv. by coach or in coach-class accommodations: We flew coach from Denver to New York.