DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   chapter
       n 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"