Definition of cross-connection in English:

cross-connection

noun

  • A connection made between two or more distinct things, typically parts of different networks or circuits.

    ‘a cross-connection between the chilled-water system and the condenser system’
    figurative ‘academics are constantly looking for new trains of thought or fruitful cross-connections’
    • ‘It does take a truckroll to run out to the remote terminal to do the cross-connection.’
    • ‘This option has the advantage of ensuring that both properties are fed by their own pipes and that cross-connections no longer exist.’