crossover -
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"
borrowing,
adoption the appropriation (of ideas or words etc) from another source; "the borrowing of ancient motifs was very apparent"
crossover -
a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
crossover -
A pair of switches and a short, diagonal length of track which together connect two parallel tracks and allow passage between them.
crossover -
A piece of fiction that borrows elements from two or more fictional universes.
Wikipedia
CrossOver, known before version 6.0 as CrossOver Office, is the collective name for four commercial and proprietary programs developed by CodeWeavers that allow many Windows-based applications to run on Linux, Mac OS X and Solaris using a compatibility layer. The programs include CrossOver Mac, CrossOver Linux, CrossOver Games Mac, and CrossOver Games Linux. The programs are modified, proprietary versions of the public Wine source tree with various compatibility patches added, more user-friendly configuration tools and commercial support.