Read the dictionary definition of crossover. All definitions for this word.
1. a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
2. the appropriation of a new style (especially in popular music) by combining elements of different genres in order to appeal to a wider audience
1. a jazz-classical crossover album
3. a voter who is registered as a member of one political party but who votes in the primary of another party
4. the interchange of sections between pairing homologous chromosomes during the prophase of meiosis