"Bonus featurettes" refers to additional, extra content that is included as a special addition or enhancement to a main feature or product. Full definition
The DVD trousseau includes bonus featurettes (The Wedding Party, You'll Never Wear It Again, Jane's World and The Running of the Brides) and deleted scenes. (parentpreviews.com)
The Blu - ray has a bunch of inconsequential bonus featurettes as well. (seanax.com)
The 40th Anniversary Edition of Franco Zeffirelli's «Jesus of Nazareth» comes on two Blu - ray discs, each with a single new bonus featurette: an interview with actor Michael York and an interview with best - selling author Jean - Pierre Isbouts. (fatguysatthemovies.com)