tie in

/ˈtaɪˌɪn/
noun
  1. A connection or relationship between two things, especially products or events that are marketed together.
    • The movie had a tie-in with a fast-food restaurant that sold special toys.
    • There is a clear tie-in between the new book and the popular TV series.
    • The company created a tie-in between the video game and the action figures.
  2. A product, such as a book or toy, that is linked to a movie, TV show, or other media to promote it.
    • The store sold a tie-in novel that continued the story of the film.
    • She bought a tie-in coloring book for her nephew who loved the cartoon.
    • The video game was a tie-in released alongside the summer blockbuster.
What does "tie in" mean? | whatsthatwordmean | whatsthatwordmean