the seed of flax, yielding linseed oil; linseed.

1555–65; flax + seed

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World English Dictionary
flaxseed (ˈflæksˌsiːd)
Also called: linseed the seed of the flax plant, which yields linseed oil

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1560s, from flax + seed.
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica


seed of a variety of the common flax, Linum usitatissimum, grown for its yield of linseed oil and meal. This variety of flax has shorter straw, more branches, and more seeds than other varieties that are grown primarily for linen fibre. It is cultivated principally in Argentina, Canada, the United States, Russia, and Ukraine.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Combine cooled pumpkin seeds, sunflower seeds and ground flaxseed in a food processor, and process for a minute.
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