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• aux
  aux

  abbreviation

  auxiliary; auxiliaries. null auxil
• AUX
  AUX

  abbreviation

  auxiliary verb: used to represent a phrase structure constituent that may include such verbal elements as tense and mood markers as well as auxiliaries.
• aux-
  aux-

  variant of auxo-, especially before a vowel.

aux

¹ American  

Or aux.

abbreviation

1. auxiliary; auxiliaries. null auxil

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aux ² American  

[oh] / oʊ /

French.

1. plural of au.

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AUX ³ American  

Or Aux

abbreviation

Linguistics.

1. auxiliary verb: used to represent a phrase structure constituent that may include such verbal elements as tense and mood markers as well as auxiliaries.

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aux- ⁴ American  

1. variant of auxo-, especially before a vowel.

   auxin.

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Example Sentences

There was the Frenchman who lost his wedding ring during a swim at the Trou aux Biches Beachcomber Golf Resort & Spa; Manguillier combed up the ring in an hour.

From The Wall Street Journal • Mar. 24, 2026

Under the ticking clock, the chefs wrestle with dishes like tournedos aux morilles and quail with cherries.

From Salon • Dec. 25, 2024

I’m going all around L.A. and Austin, my boyfriend, is driving, and I got the aux.

From Los Angeles Times • Nov. 1, 2024

It started before the excavation of verifiable archaeological evidence at L’Anse aux Meadows in Newfoundland, and—while bolstered by the discoveries there—is not dependent on them when it comes to exciting enthusiasm.

From Slate • Nov. 11, 2023

Another two months to fortify and hide it from the prying eyes of aux patrols.

From "An Ember in the Ashes" by Sabaa Tahir