coaches is a form of:

Coach



noun
1.
(a large four wheeled horse drawn carriage, a railway carriage, an instructor or trainer, a tutor who prepares students, a trainer in athletics) ព្រះរាជរថ, រទេះរាងជាគ្រែមានដំបូលមានកង់បួន / រថ, អ្នកជិះរថជាមួយគ្នា, ទូរថយន្ដដឹកនាំសាធារណៈ four horse coach រទេះសេះធំមានដំបូល, railway coach វ៉ាហ្គុងសម្រាប់អ្នកដំណើរ, baseball coach អ្នកបង្វឹកបង្វឺន
Example: Travel by over night coach to Scotland.
verbpast tense: coached ; past participle: coached ; present participle: coaching ;
1.
(TRANSITIVE) (To tutor or train) បង្វឹក, ធ្វើឲ្យដើរ, នាំទៅ, ពង្រាត់, នាំដោយបង្ខំ, បណ្ដាលឲ្យមាន
Example: Dara was coached until he could pass his examination.
2.
(INTRANSITIVE) ~ somebody (for in something) ធ្វើជាអ្នកបង្វឹក
ENGLISH MEANING
noun
1.
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.
2.
A special tutor who assists in preparing a student for examination; a trainer; esp. one who trains a boat's crew for a race.
3.
A cabin on the after part of the quarter-deck, usually occupied by the captain.
4.
A first-class passenger car, as distinguished from a drawing-room car, sleeping car, etc. It is sometimes loosely applied to any passenger car.
verbpast tense: coached ; past participle: coached ; present participle: coaching ;
1.
(TRANSITIVE) To convey in a coach.
2.
(TRANSITIVE) To prepare for public examination by private instruction; to train by special instruction.
3.
(INTRANSITIVE) To drive or to ride in a coach; -- sometimes used with
1.
drill, instill, instruct, prompt, teach, train, tutor