Meaning of TIE IN in English

TIE IN

Function: transitive verb

Date: 1793

: to bring into connection with something relevant: as a : to make the final connection of < tied in the new branch pipeline> b : to coordinate in such a manner as to produce balance and unity <the illustrations were tied in with the text> c : to use as a tie-in especially in advertising

intransitive verb : to become tied in

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.