aerator

noun

aer·​a·​tor ˈer-ˌā-tər How to pronounce aerator (audio)
: one that aerates
especially : an apparatus for aerating something (such as sewage)

Examples of aerator in a Sentence

Recent Examples on the Web
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That’s probably why the influencer chose to tow the cephalopod in a tank riding on a skateboard, complete with what appears to be a wireless aerator to supply the critter with oxygen. Joe Wilkins, Futurism, 4 June 2026 Break the Barrier Use a hand aerator or core aeration machine to punch deep holes directly into the hydrophobic zones of the ring. Sj McShane, Martha Stewart, 27 May 2026 Soak the aerator parts in a cup of straight white vinegar for 30 minutes to an hour. Daley Quinn, Southern Living, 23 May 2026 Prepare the Planting Location To prepare your planting site for clover, dethatch your existing lawn with a metal rake or detacher, and also consider aerating the soil with a soil aerator. Lauren Landers, Better Homes & Gardens, 16 May 2026 See All Example Sentences for aerator

Word History

Etymology

aerate + -or entry 1

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of aerator was in 1844

Browse Nearby Words

Cite this Entry

“Aerator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aerator. Accessed 12 Jun. 2026.

Medical Definition

aerator

noun
: one that aerates
especially : an apparatus for aerating something (as sewage)
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