chapter

noun

chap·​ter ˈchap-tər 

1

a

: a main division of a book

b

: something resembling a chapter in being a significant specified unit

a new chapter in my life

2

a

: a regular meeting of the canons of a cathedral or collegiate church or of the members of a religious house

b

: the body of canons of a cathedral or collegiate church

3

: a local branch of an organization

Synonyms

• affiliate
• cell

Examples of chapter in a Sentence

Chapter three deals with the country's economy.

Please read the first two chapters of your textbook for our next class.

Becoming a parent opened up a whole new chapter in my life.

a difficult chapter in European history

Recent Examples on the Web

And when summer break came later that year, Ahmad and Marshall brought the student fight back to their hometown, setting up a RAM chapter in Philadelphia, where Moore was now settling in. —Literary Hub, 28 Oct. 2025

Landry was at Louisiana State University Monday evening for a rally with the school's Turning Point USA chapter. —Anders Hagstrom, FOXNews.com, 28 Oct. 2025

This comeback marks a significant chapter in LiSA’s hits-laden music career. —Billboard Japan, Billboard, 28 Oct. 2025

The challenge for leaders as AI enters its next chapter will be not just harnessing its power, but ensuring its benefits are shared among workers, companies, and economies alike. —Sheryl Estrada, Fortune, 28 Oct. 2025

Word History

Etymology

Middle English chapitre, from Anglo-French chapitre, chapitle, from Late Latin capitulum division of a book & Medieval Latin, meeting place of canons, from Latin, diminutive of capit-, caput head — more at head

First Known Use

13th century, in the meaning defined at sense 1a

Phrases Containing chapter

• a chapter of accidents
• chapter and verse
• sub-chapter

Rhymes for chapter

• apter
• captor
• raptor
• adapter
• adaptor
• subchapter

Kids Definition

chapter

noun

chap·​ter ˈchap-tər 

1

a

: a main division of a book or of a law code

b

: something like a chapter in being a significant unit

a chapter in my life

2

: a local branch of an organization