Linseed \Lin"seed`\ (l[i^]n"s[=e]d`), n. [OE. lin flax + seed. See Linen.]

(Bot.) The seeds of flax, from which linseed oil is obtained. [Written also lintseed.]

Linseed cake, the solid mass or cake which remains when oil is expressed from flaxseed.

Linseed meal, linseed cake reduced to powder.

Linseed oil, oil obtained by pressure from flaxseed.

Source: Webster's Revised Unabridged Dictionary (1913)