crossover

n.	1.	(genetics) the interchange of sections between pairing homologous chromosomes during the prophase of meiosis.
	2.	a structure, such as a bridge, bearing a path for crossing over a river or highway.
	3.	votes from members of one political party cast for candidates of another party; - called also crossover vote; as, there was a high crossover in this election.
	4.	a member of one political party who votes for a candidate of another party; - called also crossover voter.
	5.	(Plumbing) a U-shaped section of pipe which serves to pass one pipeline over another which is directly in its path.

Noun	1.	crossover - the interchange of sections between pairing homologous chromosomes during the prophase of meiosis Synonyms: crossing over
	2.	crossover - a voter who is registered as a member of one political party but who votes in the primary of another party Synonyms: crossover voter
	3.	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"
	4.	crossover - a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other Synonyms: crosswalk, crossing