[work.out] n (ca. 1894) 1: a practice or exercise to test or improve one's fitness for athletic competition, ability, or performance
2: a test of one's ability, capacity, stamina, or suitability
[work.out] n (ca. 1894) 1: a practice or exercise to test or improve one's fitness for athletic competition, ability, or performance
2: a test of one's ability, capacity, stamina, or suitability
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012