Noun
1. a subdivision of a written work; usually numbered and titled;
"he read a chapter every night before falling asleep"2. any distinct period in history or in a person's life;
"the industrial revolution opened a new chapter in British history""the divorce was an ugly chapter in their relationship"3. a local branch of some fraternity or association;
"he joined the Atlanta chapter"4. an ecclesiastical assembly of the monks in a monastery or even of the canons of a church
5. a series of related events forming an episode;
"a chapter of disasters"