coach

noun

1. A wheeled vehicle, generally pulled by a horse.

   “I have a coach waiting. During intermission, would you consent to accompany me for a cooling ride around the city?”

2. (Australia, UK)A passenger car, either drawn by a locomotive or part of a multiple unit.
3. A trainer or instructor.

   “football coach”

   “spelling coach”

   “public coach”

   “horseriding coach”

   “politics coach”

4. (Australia, British)A long-distance, or privately hired, bus.
5. The forward part of the cabin space under the poop deck of a sailing ship; the fore-cabin under the quarter deck.

   “The commanders all came on board and the council sat in the coach.”

6. (US)The part of a commercial passenger airplane or train reserved for those paying the lower standard fares; the economy section.

   “We couldn't afford the good tickets, so we spent the flight crammed in coach.”

7. (US)The lower-fare service whose passengers sit in this part of the airplane or train; economy class.

verb

1. (intransitive)To train.
2. (transitive)To instruct; to train.

   “She has coached many opera stars.”

3. (intransitive)To study under a tutor.
4. (intransitive)To travel in a coach (sometimes coach it).

   “Affecting genteel fashions, coaching it to all quarters”

5. (transitive)To convey in a coach.

   “The needy poet sticks to all he meets, Coached, carted, trod upon, now loose, now fast. And carried off in some dog's tail at last”

adv

1. (US, not-comparable)Via the part of a commercial passenger airplane or train reserved for those paying the lower standard fares; via the economy section.

   “John flew coach to Vienna, but first-class back home.”