noun Date: 1543 a horse used chiefly for labor as distinguished from driving, riding, or racing, 2. a. a person who performs most of the work of a group task, a hardworking person, something that is markedly useful, durable, or dependable, horse 7
WORKHORSE
Meaning of WORKHORSE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012