The noun exercise has 5 senses (first 4 from tagged texts)
1. (26) exercise, exercising, physical exercise, physical exertion, workout -- (the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit")
2. (3) use, usage, utilization, utilisation, employment, exercise -- (the act of using; "he warned against the use of narcotic drugs"; "skilled in the utilization of computers")
3. (2) exercise, practice, drill, practice session, recitation -- (systematic training by multiple repetitions; "practice makes perfect")
4. (2) exercise, example -- (a task performed or problem solved in order to develop skill or understanding; "you must work the examples at the end of each chapter in the textbook")
5. exercise -- ((usually plural) a ceremony that involves processions and speeches; "academic exercises")
Overview of verb exercise
The verb exercise has 5 senses (first 4 from tagged texts)
1. (14) exert, exercise -- (put to use; "exert one's power or influence")
2. (11) practice, practise, exercise, do -- (carry out or practice; as of jobs and professions; "practice law")
3. (3) exercise, work, work out -- (give a workout to; "Some parents exercise their infants"; "My personal trainer works me hard"; "work one's muscles")
4. (3) exercise, work out -- (do physical exercise; "She works out in the gym every day")
5. drill, exercise, practice, practise -- (learn by repetition; "We drilled French verbs every day"; "Pianists practice scales")