cross over Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++cross over → cross over at cross1(12)cross over cross overcross over phrasal verb (see also cross)1. if an entertainer crosses over from one area of entertainment to another, they become successful in the second one as well as the first ⇨ crossover(2)2. British English old use to die