noun
hookup
A working connection between separate systems.
The cable provides a working hookup between the laptop and desktop monitor.

Etymology
The compound comes from hook up, to connect. It turns the action of joining separate pieces or systems into the name of the working connection.
More examples
- The apartment has hookups for a washer and dryer.
- A loose cable interrupts the hookup between the camera and monitor.
- The technician tests the stove's gas hookup for leaks.
Forms
hookup · hookups
Similar words
- connection
- A broader term for any joining, including equipment and utilities.
- link
- Often emphasizes communication or data transfer between systems.
- coupling
- Usually names a physical connector joining pipes or mechanical parts.