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.
Think frizz-free, soft, and seriously shiny locks that are ready to take on any blow-dryer or flat iron. Sarah Hoffmann, Allure, 22 Dec. 2024 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 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 23 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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