[ˈɛksəsʌɪz], (Noun)

Definitions:
- activity requiring physical effort, carried out to sustain or improve health and fitness
(e.g: exercise improves your heart and lung power)

- an activity carried out for a specific purpose
(e.g: an exercise in public relations)

- the use or application of a faculty, right, or process
(e.g: the exercise of authority)


Phrases:

Origin:
Middle English (in the sense ‘application of a right’): via Old French from Latin exercitium, from exercere ‘keep busy, practise’, from ex- ‘thoroughly’ + arcere ‘keep in or away’

[ˈɛksəsʌɪz], (Verb)

Definitions:
- use or apply (a faculty, right, or process)
(e.g: control is exercised by the Board)

- engage in physical activity to sustain or improve health and fitness
(e.g: she still exercised every day)

- occupy the thoughts of; worry or perplex
(e.g: Macdougall was greatly exercised about the exchange rate)


Phrases:

Origin:
Middle English (in the sense ‘application of a right’): via Old French from Latin exercitium, from exercere ‘keep busy, practise’, from ex- ‘thoroughly’ + arcere ‘keep in or away’