flaxseed

noun

flax·​seed ˈflak(s)-ˌsēd 

: 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

How To Get Omega-3s Fish like sardines, mackerel, and tuna are good sources of EPA and DHA, while ALA comes from plant foods like walnuts, flaxseed, and canola oil. —Sarah Garone, Health, 21 Jan. 2026

If possible, use ground flaxseed (or grind it after purchasing the whole version) to make the nutrients more easily absorbed. —Olivia McIntosh, Martha Stewart, 18 Jan. 2026

Add flaxseed for a boost of heart-healthy fiber. —Ashlyn Ware, Midwest Living, 16 Jan. 2026

Whole flaxseeds are fine for crunch in granola, but may pass through undigested. —Morgan Pearson, Verywell Health, 9 Jan. 2026

Word History

First Known Use

1562, in the meaning defined above

Rhymes for flaxseed

• accede
• agreed
• airspeed
• alkyd
• bindweed
• chickweed
• concede
• decreed
• duckweed
• exceed
• impede
• indeed

Kids Definition

flaxseed

noun

flax·​seed ˈflak(s)-ˌsēd 

: 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 

: 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