1. the interchange of sections between pairing homologous chromosomes during the prophase of meiosis • Syn: crossing over • Hypernyms: organic process, biological process • Part Holonyms: diplotene 2. a voter who is registered as a member of one political party but who votes in the primary of another party • Syn: crossover voter • Hypernyms: voter, elector 3. 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 • Topics: music genre, musical genre, genre, musical style • Hypernyms: borrowing, adoption 4. a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other • Syn: crossing, crosswalk • Derivationally related forms: cross (for: crossing) • Hypernyms: path • Hyponyms: grade separation, pedestrian crossing, zebra crossing