crossover \crossover\ n.
1. (genetics) the interchange of sections between pairing
homologous chromosomes during the prophase of meiosis.
Syn: crossing over.
[WordNet 1.5]
2. a structure, such as a bridge, bearing a path for crossing
over a river or highway.
[PJC]
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.
[PJC]
4. a member of one political party who votes for a candidate
of another party; -- called also crossover voter.
[PJC]
5. (Plumbing) a U-shaped section of pipe which serves to pass
one pipeline over another which is directly in its path.
[PJC]
Source: The Collaborative International Dictionary of English v.0.48
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