flaxseed

noun

flax·​seed ˈflak(s)-ˌsēd How to pronounce flaxseed (audio)
: the small seed of flax (especially Linum usitatissimum) used especially as a source of oil, as a demulcent and emollient, and as a dietary supplement

called also linseed

Examples of flaxseed 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.
Add ground flaxseed for extra protein. Merve Ceylan, Health, 25 Sep. 2025 Whole flaxseeds are fine for crunch in granola, but may pass through undigested. Morgan Pearson, Verywell Health, 17 Sep. 2025 Omega-3 Fatty Acids: Salmon, walnuts and flaxseeds. Helen Carefoot, Flow Space, 17 Sep. 2025 Sweet almond, cucumber, flaxseed, broccoli, rice bran, rose hip, and radish oils are all present to deliver high-impact antioxidant power, barrier-supporting omega fatty acids, and the healthy radiance of someone who gets their daily serving of greens. Sophia Panych, Allure, 16 Sep. 2025 See All Example Sentences for flaxseed

Word History

First Known Use

1562, in the meaning defined above

Time Traveler
The first known use of flaxseed was in 1562

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Cite this Entry

“Flaxseed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flaxseed. Accessed 2 Oct. 2025.

Kids Definition

flaxseed

noun
flax·​seed ˈflak(s)-ˌsēd How to pronounce flaxseed (audio)
: the small seed of flax used as a source of linseed oil and in medicinal preparations

Medical Definition

flaxseed

noun
flax·​seed ˈflak(s)-ˌsēd How to pronounce flaxseed (audio)
: the small seed of flax (especially Linum usitatissimum) used especially as a source of oil, as a demulcent and emollient in treating inflammatory conditions of the respiratory, intestinal, and urinary passages, and as a dietary supplement

called also linseed

More from Merriam-Webster on flaxseed

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