/kut"in'/ , n.
1. Motion Pictures. a still, as of a scene or an object, inserted in a film and interrupting the action or continuity: We will insert a cut-in of the letter as she reads it.
2. Radio and Television. a commercial or other announcement inserted by a local station into a network broadcast.
3. the act of cutting in, as on a dancing couple.
[ 1880-85; n. use of v. phrase cut in ]