- noun something such as a book, which is brought out in connection with a successful film or television programme
- phrasal verb (written as tie in)to link an insurance policy to a mortgage
- noun an advertisement linked to advertising in another media, e.g. a magazine ad linked to a TV commercial
Information & Library Science
- noun a book that is derived from or published together with a TV or radio programme
- noun merchandise attached to a film or other media product.