flat iron

noun

1
: a device used for straightening hair by pressing and pulling sections between two heated metal or ceramic, flat, rectangular plates
2
usually flatiron old-fashioned : iron sense 2a

Examples of flat iron 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.
Original price: $100 Get a hair straightener, flat iron and curler all-in-one with the NANOBLACK curling flat iron hair straightener. Christopher Murray, FOXNews.com, 2 Apr. 2025 This flat iron is backed by over 4,000 five-star ratings on Amazon, along with hundreds of positive reviews. Kayleigh Drake, Miami Herald, 3 Mar. 2025 Since using the Pre-Style Cream Straight To Wavy Rich Conditioning, my at-home blowouts and flat iron waves have lasted days longer than usual. Venus Wong, refinery29.com, 20 Dec. 2024 Amazon My favorite flat iron for touch-ups, this was the top overall pick in our Best Hair Straighteners guide. Kat Merck, WIRED, 9 Oct. 2024 See All Example Sentences for flat iron

Word History

First Known Use

1743, in the meaning defined at sense 2

Time Traveler
The first known use of flat iron was in 1743

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Cite this Entry

“Flat iron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flat%20iron. Accessed 11 Apr. 2025.

Kids Definition

flatiron

noun
flat·​iron -ˌī(-ə)rn How to pronounce flatiron (audio)
Last Updated: - Updated example sentences
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