Definition of dongle in English:

dongle

Syllabification: don·gle
Pronunciation: /ˈdäNGɡəl, ˈdôNG-
 
/

noun

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.
More example sentences
  • 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.

Origin

1980s: an arbitrary formation.

Definition of dongle in:

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