A plant of the genus Linum, esp. the L. usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. The fiber of the bark is used for making thread and cloth, called linen, cambric, lawn, lace, etc. Linseed oil is expressed from the seed.
- A widely cultivated plant, Linum usitatissimum, having pale blue flowers, seeds that yield linseed oil, and slender stems from which a textile fiber is obtained.
- The fine, light-colored textile fiber obtained from this plant.
- Any of various other plants of the genus Linum or of similar or related genera.
- A pale grayish yellow.