cross-promotionnoun [ C or U ]
uk/ˌkrɒsprəˈməʊʃən/us/ˌkrɑːsprəˈmoʊ-/COMMERCE, MARKETINGthe fact of advertising related products from different companies at the same time:
Cross-promotion between the book and film industries has been very successful.
Even the most time-pressed business owners can attract more customers with less effort through the right cross-promotions.
the fact of a company advertising one of its products in or on another of its products:
The back cover of a book is often used for cross-promotion of other titles by the same author.
cross-promote
verb [ I or T ] /ˌkrɒsprəˈməʊt//ˌkrɑːsprəˈmoʊt/
The two companies have agreed to cross-promote each other's brands.