Definition of "fade out"

fade out

noun
plural fade outs
1. A type of transition used in film, usually at the end of a scene, involving a fade to black from the cut.
verb
third-person singular simple present fades out, present participle fading out, simple past and past participle faded out
1. (idiomatic) To slowly disappear.
2. To fade from a cut to black in a movie.
3. To decrease in volume, such as at the end of a song, until there is only silence.