That would be a "Feature".
feature, picture
Feature A Feature
King Kong was the first full-length movie to be broadcast on television.
Fastpasstv.com
Click on the link below to watch the full lenght movie of Thirteen.
To watch a full-length movie, you may go to either Netflix or Flixter.com
The full length movie that Shohreh Aghdashloo was in that is still in post-production is The Last Knights. The last full length movie that she was in that has been released is The Odd Life of Timothy Green.
A "Feature", or "Feature Presentation".
missedashow.com
Raja Harishchandra
You can watch full length mo vies at wwww.watch-movies.net. Another great site to watch full length movies is www.hulu.com.
Depends on what the movie is about.