crossover

1. A place where one thing crosses over another; a crossing. (countable, uncountable) · Lay one pole over the other and tie them together at the crossover.
2. The means by which a crossing is made. (countable, uncountable) · To get to the other side of the railway, use the crossover.
3. A transition. (countable, uncountable) · The company has made a crossover into aerospace technology.· Fans disapprove of the singer's crossover to pop.
4. A blend of multiple styles of music or multiple film genres, intended to appeal to a wider audience. (countable, uncountable)
5. A combining of characters or plot elements from different fictional universes or settings, or a work that does this. (countable, uncountable) · It's a weird crossover between Harry Potter and Frankenstein.
6. An SUV-like automobile built on a passenger car platform, e.g. the Buick Enclave. (countable, uncountable)
7. A pair of switches and a short, diagonal length of track which together connect two parallel tracks and allow passage between them. (countable, uncountable)
8. A voter registered as a member of one political party or historically associated with such party who votes in the primary of the other party. (US, countable, uncountable)

Plural crossovers