a process occurring in living organisms | a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other |
| 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 voter who is registered as a member of one political party but who votes in the primary of another party |
| the interchange of sections between pairing homologous chromosomes during the prophase of meiosis |