Merriam-Webster Online Dictionary
chapter (noun)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
Merriam-Webster Online Thesaurus
chapter (noun)1.
a local unit of an organization
SYNONIMS:
affiliate, branch, cell, council, localRELATED WORDS:
arm, division, wing; offshoot, subchapter; lodge, post2.
an individual part of a process, series, or ranking
SYNONIMS:
chapter, cut, grade, inch, notch, peg, phase, place, point, stage, stepRELATED WORDS:
angle, aspect, facet, side; amount, measure, plane; decrement, increment