jackbox

English

Etymology

From jack +‎ box.

Noun

jackbox (plural jackboxes)

1. A device for routing electrical signals by means of a number of jacks.
   • U.S. Navy SOUND-POWERED TELEPHONE TALKERS' MANUAL

     What precaution should you take in unplugging a cable from a jackbox?

   • 2015, Andrea O. Rossetti, Steven Laureys, Clinical Neurophysiology in Disorders of Consciousness, page 14:

     Each electrode's wire will be plugged in a jackbox (Fig. 2.9). Many devices often surround the ICU beds; therefore, a small jackbox that can be placed near the patient's head is recommended.