1. a section of a book or other written work
2. a local branch of an organization or society
3. a distinct period or phase in someone’s life or in history

1. to divide a book or document into chapters

Examples

• I’m reading chapter five of my history textbook.
• The local chapter of the Red Cross organized a blood drive.
• Moving to college marked a new chapter in her life.
• This dark chapter in our nation’s history must not be forgotten.
• The author decided to chapter the manuscript into twelve sections.
• Each chapter of the novel focuses on a different character.
• Our chess club chapter meets every Tuesday evening.