crossover

1. A place where one thing crosses over another.
2. The means by which the crossing is made.
3. The result of the exchange of genetic material during meiosis.
4. A blend of multiple styles of music or multiple film genres, intended to appeal to a wider audience.
5. An automobile that is a mix of two kinds of automobiles, e.g. the Pontiac Torrent.
6. A pair of switches and a short, diagonal length of track which together connect two parallel tracks and allow passage between them.
7. A piece of fiction that borrows elements from two or more fictional universes.
8. An athlete or swimmer who has competed in more than one of open water swimming, pool swimming, triathlon, and endurance sports.
9. A crossover dribble.

adjective

(of an Ethernet cable) Configured so that the transmit signals at one end are connected to the receive signals at the other.