noun
aux
AWKS
noun
1
An auxiliary input on a sound system, used to plug in an external audio device.
"Just plug your phone into the aux and we can play your playlist."
How to Use Aux
Learner’s notesIn plain EnglishThe extra audio jack on a stereo or speaker that lets you connect another device.
When to use it
Informal shortening of "auxiliary," mainly used for car stereos and speakers.
Word Forms
auxes plural
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Just plug your phone into the _____ and we can play your playlist.