cliffhanger noun definition in Types of film topic from the Oxford Advanced Learner's Dictionary

cliffhanger

 noun: Types of film topic
a situation in a story, film/movie, competition, etc. that is very exciting because you cannot guess what will happen next, or you do not find out immediately what happens next The first part of the serial ended with a real cliffhanger. Tonight’s vote on European policy threatens to be a cliffhanger.