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A path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other
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The appropriation of a new style (especially in popular music) by combining elements of different genres in order to appeal to a wider audience
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A voter who is registered as a member of one political party but who votes in the primary of another party
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The interchange of sections between pairing homologous chromosomes during the prophase of meiosis