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dongle

American  
[dong-guhl, dawng‑] / ˈdɒŋ gəl, ˈdɔŋ‑ /

noun

Digital Technology.
  1. a hardware device, paired with a licensed copy of a software program, that must be plugged into a computer to authorize every use of the software.

    an antipiracy dongle.

  2. a device that can be plugged into a hardware port on a computer, television, or other electronic device, to enable access when connecting devices to peripherals, to the internet, or to each other: an HDMI dongle with television apps;

    a USB dongle for wireless internet access;

    an HDMI dongle with television apps;

    a display port dongle to connect the laptop to the projector.


dongle British  
/ ˈdɒŋɡəl /

noun

  1. computing an electronic device that accompanies a software item to prevent the unauthorized copying of programs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dongle

First recorded in 1980–85; probably an arbitrary coinage

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Thankfully, more airlines are adding Bluetooth compatibility to screens, but meanwhile consider investing in the AirFly Pro 2, a tiny $60 dongle that plugs into the seat back screen and lets you use wireless headphones.

From The Wall Street Journal

Dual wireless connectivity adds to the functionality, for example chatting on a phone call with a Bluetooth smartphone connection and using the dongle at the same time for game audio.

From Washington Times

Before she took the stage, Noname borrowed an iPhone dongle from another performer — an act she referred to as a “socialism doing.”

From Los Angeles Times

Ms Felke shares the new device with her nine-year-old daughter, but said they must still rely on mobile data and a dongle as she cannot afford broadband at home.

From BBC

The current Chromecast with Google TV dongle costs €70, making the upcoming alternative around 40 percent cheaper, though we’ll have to wait and see how prices will compare across other regions.

From The Verge