crossover

crossover

n.
  1. the interchange of sections between pairing homologous chromosomes during the prophase of meiosis. (genetics)
  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. a U-shaped section of pipe which serves to pass one pipeline over another which is directly in its path. (Plumbing)