verb: (transitive and intransitive) To pass from one side or area, physical or abstract, to another.
verb: (intransitive, euphemistic) To die (from the belief that the soul of the dead crosses over a river (as the Jordan or Styx) when one dies).
adjective: Alternative form of crossover [(computing, of an Ethernet cable) Configured so that the transmit signals at one end are connected to the receive signals at the other.]