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.
Wavytalk says the device works its magic in just 10 minutes, which is three times faster than a flat iron, according to the brand. Katie Decker-Jacoby, StyleCaster, 4 Sep. 2025 BaBylissPro Nano Titanium Mini Flat Iron Another travel-size best-seller, the BaBylissPRO mini flat iron has a titanium plate measuring six inches long and half an inch wide. Olivia Young, Travel + Leisure, 28 Aug. 2025 Original price: $109.99 This flat iron works on all hair types to straighten strands in a few passes. Jené Luciani Sena , Caitlyn Martyn May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 18 Aug. 2025 Some of the meats available are bulgogi (marinated beef), flat iron steak, short ribs, beef tongue, pork belly, beef brisket, Korean chorizo and teriyaki beef. Carlos Rico, San Diego Union-Tribune, 7 Aug. 2025 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 9 Sep. 2025.

Kids Definition

flatiron

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