Main Entry: ¹dis·ci·pline

Pronunciation: \ˈdi-sə-plən\

Function: noun

Etymology: Middle English, from Anglo-French & Latin; Anglo-French, from Latin disciplina teaching, learning, from discipulus pupil

Date: 13th century

1 : punishment
2 obsolete : instruction
3 : a field of study
4 : training that corrects, molds, or perfects the mental faculties or moral character
5 a : control gained by enforcing obedience or order b : orderly or prescribed conduct or pattern of behavior c : self-control
6 : a rule or system of rules governing conduct or activity

— dis·ci·plin·al \-plə-n^əl\ adjective