Coach

1. n. A first-class passenger car, as distinguished from a drawing-room car, sleeping car, etc. It is sometimes loosely applied to any passenger car.
2. n. A large, closed, four-wheeled carriage, having doors in the sides, and generally a front and back seat inside, each for two persons, and an elevated outside seat in front for the driver.
3. n. A special tutor who assists in preparing a student for examination; a trainer; esp. one who trains a boat’s crew for a race.
4. n. A cabin on the after part of the quarter-deck, usually occupied by the captain.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.