dis·ci·pline /ˈdɪsəplɪn/ Pronunciation Key - Show Spelled Pronunciation[dis-uh-plin] Pronunciation Key - Show IPA Pronunciation noun, verb, -plined, -plin·ing.
1. training to act in accordance with rules; drill: military discipline.
2. activity, exercise, or a regimen that develops or improves a skill; training: A daily stint at the typewriter is excellent discipline for a writer.
3. punishment inflicted by way of correction and training.
4. the rigor or training effect of experience, adversity, etc.: the harsh discipline of poverty.
5. behavior in accord with rules of conduct; behavior and order maintained by training and control: good discipline in an army.
6. a set or system of rules and regulations.
7. Ecclesiastical. the system of government regulating the practice of a church as distinguished from its doctrine.
8. an instrument of punishment, esp. a whip or scourge, used in the practice of self-mortification or as an instrument of chastisement in certain religious communities.
9. a branch of instruction or learning: the disciplines of history and economics.
–verb (used with object)
10. to train by instruction and exercise; drill.
11. to bring to a state of order and obedience by training and control.
12. to punish or penalize in order to train and control; correct; chastise.