Linseed (noun)

The seed of the flax plant, which is used as a source of oil and as a food for humans and livestock.

Origin:

From the old english līnsēd, from līn "flax" + sēd "seed".

Examples:

1. Linseed oil is used in paints and varnishes.
2. Linseed oil is used in some food products.
3. Linseed oil is used as a drying oil in oil paint.
4. Linseed is rich in omega-3 fatty acids.
5. Linseed is used as a protein source for livestock.