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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Use a core aerator instead of a spike aerator. Megan Hughes, Better Homes & Gardens, 22 Oct. 2025 Aeration can be done with a core aerator that punches shallow holes in the surface, or with a shovel or a rototiller that turns the soil more deeply. Mary Marlowe Leverette, Southern Living, 18 Oct. 2025 What to look for in a quality wine preserver Wine aerator Some wine preservers come with a wine aerator, which can help bring out a wine’s flavors and aromas. Bestreviews, Mercury News, 25 Aug. 2025 When flushing internal pipes, aerators should be removed first (if applicable), prior to flushing. Jake Allen, IndyStar, 13 Aug. 2025 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 22 Nov. 2025.

Medical Definition

aerator

noun
: one that aerates
especially : an apparatus for aerating something (as sewage)
Last Updated: - Updated example sentences
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