[noun] the interchange of sections between pairing homologous chromosomes during the prophase of meiosis Synonyms:crossing over
[noun] a voter who is registered as a member of one political party but who votes in the primary of another party Synonyms:voter
[noun] the appropriation of a new style (especially in popular music) by combining elements of different genres in order to appeal to a wider audience; "a jazz-classical crossover album"
[noun] a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other Synonyms:crossing, crosswalk
