Definition of dongle in English:

dongle

noun

Computing
  • A small device able to be connected to and used with a computer, especially to allow access to wireless broadband or use of protected software.

    • ‘Periodically the software queries the dongle.’
    • ‘Seems the client had plugged their ethernet dongle into their USB port.’
    • ‘We must look to memory-based removable media for digital cameras and dongles.’
    • ‘When using the dongles to transmit data, keep in mind the signal strength of the link, so make sure both ends have a clear pathway between each other.’
    • ‘Putting it on is a rather simple affair, but unless you have tiny hands, there isn't much clearance between the fan and PCB to pinch the tab to remove the dongle.’

Origin

1980s: an arbitrary formation.

Pronunciation:

dongle

/ˈdɒŋɡ(ə)l/