Glossary of Stand Up Comedy Terms
emcee: Master or Mistress of Ceremonies; the person who introduces the performers; also see M.C.
feature: the second comedian in the standard three comedian stand-up comedy show line-up; also see middle. joke: a device for expressing humor that employs a setup which contains a target assumption to misdirect the audience into accepting a bogus 1st story; and a punch which contains areinterpretation which creates a 2nd story that shatters the target assumption. setup: the first part of a joke that contains a target assumption to misdirect the audience into accepting a bogus 1st story.
Source: stand-upcomedy.com