defroster

noun

de·​frost·​er di-ˈfrȯ-stər How to pronounce defroster (audio)
ˈdē-ˌfrȯ-
plural defrosters
: a person or thing that defrosts something
She was a cook. I was an opener of cans, a defroster of TV dinners.Bernie Schiffer
especially : a device or system designed to heat a window or windshield of a vehicle for the purpose of removing accumulated ice or moisture
The rear window defroster worked well in the center, but it needs more grid lines for full coverage. Consumer Reports
Their breath fogged the windshield immediately, and Gus slowed to a crawl on the winding street, reaching down to adjust the wipers and the defroster. Frank Conroy

Examples of defroster 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.
The crew’s inexplicable failure to turn on the 737’s engine anti-icers, devices similar to a car’s defroster, that prevent ice from accumulating in the nose of the engine. Miami Herald Archives, Miami Herald, 30 Jan. 2025 Use Your Car's Defroster If time permits, let your car's defroster do the heavy lifting. Jonathan Granoff, Newsweek, 29 Jan. 2025 While your defrosters are doing their job, use a soft brush to brush off any snow on your car and windshield. Meghan Overdeep, Southern Living, 4 Jan. 2025 After ensuring that your windshield wipers are off, turn your car on and set your defrosters to high. Meghan Overdeep, Southern Living, 4 Jan. 2025 See all Example Sentences for defroster 

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of defroster was in 1903

Dictionary Entries Near defroster

Cite this Entry

“Defroster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/defroster. Accessed 11 Feb. 2025.

Last Updated: - Updated example sentences
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