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doner kebab
Donets
Donets Basin
Donets’k
dong (1)
dong (2)
dong (3)
dong quai
dongle
donjon
donkey
donkey derby
donkey engine
donkey jacket
donkey’s tail
donkey vote
donkeywork
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dongle

don·gle [ dóng g'l, dáwng g'l ] (plural don·gles)


noun 
Definition:
 
security device for protected software: a small hardware device that, when plugged into a computer, enables a specific copy-protected program to run, the program being disabled on that computer if the device is not present. The device is effective against software piracy.

[Late 20th century. Probably arbitrary]
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