DOUBLE TITLE (already defined above) 1 . Alternative offered by some universities that are allied with others of greater prestige and wingspan. You start at one and from a certain level you end up in the superior, which validates the previous studies, and so you have the degrees of both academic institutions. 2 . In boxing, be the champion of two different boxing associations. The four main ones are the World Boxing Association (WBA), the World Boxing Council (WBC), the International Boxing Federation (FIB/IBF) and the World Boxing Organization (WBO).