pro·mo 
/ˈproʊmoʊ/ noun
plural pro·mos /ˈproʊmoʊ/ noun [count] informal : something (such as an announcement, a brief film, or an appearance) that is used to advertise or promote something (such as a new book or movie)
▪ radio/television promos — often used before another noun ▪ a promo photo/shoot/appearance
▪ radio/television promos — often used before another noun ▪ a promo photo/shoot/appearance
