Definition of crossover noun from the Oxford Advanced Learner's Dictionary

 

crossover

 noun
noun
BrE BrE//ˈkrɒsəʊvə(r)//
 
; NAmE NAmE//ˈkrɔːsoʊvər//
 
 
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the process or result of changing from one area of activity or style of doing something to another The album was an exciting jazz-pop crossover.
See the Oxford Advanced American Dictionary entry: crossover