verb (ɪnˈsɜːt) (transitive)1. to put in or between; introduce
2. to introduce, as into text; interpolate
noun (ˈɪnsɜːt)4. a. a folded section placed in another for binding in with a book
b. a printed sheet, esp one bearing advertising, placed loose between the leaves of a book, periodical, etc
5. another word for cut in (sense 6)