aerator

noun

aer·​a·​tor ˈer-ˌā-tər 

: one that aerates

especially : an apparatus for aerating something (such as sewage)

Examples of aerator in a Sentence

Recent Examples on the Web

City commissioners shared some concerns about access to surrounding roads but ultimately voted 4-0 to approve the development with some minor changes, such as the addition of fountains or aerators to the ponds across the subdivision. —James Wilkins, The Orlando Sentinel, 14 Aug. 2025

When flushing internal pipes, aerators should be removed first (if applicable), prior to flushing. —Jake Allen, IndyStar, 13 Aug. 2025

Recommendations included using a filter certified to remove lead, cleaning faucets’ aerator, using cold water and running water for a short time before using it, thus clearing water that has sat in pipes. —R. Christian Smith, Chicago Tribune, 15 July 2025

Hiring a professional service provides peace of mind that the lawn will be aerated correctly and that there's no need to figure out how to operate a core aerator. —Lauren David, Southern Living, 20 Mar. 2025

Word History

Etymology

aerate + -or entry 1

First Known Use

1844, in the meaning defined above

Rhymes for aerator

• narrator

Medical Definition

aerator

noun

aer·​a·​tor ˈa(-ə)r-ˌāt-ər, ˈe(-ə)r- 

: one that aerates

especially : an apparatus for aerating something (as sewage)