lavender

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of various aromatic Old World plants of the genus Lavandula, especially L. angustifolia, having clusters of small purplish flowers that yield an oil used in perfumery.
2. n. The fragrant dried leaves, stems, and flowers of this plant.
3. n. A pale to light purple to very light or very pale violet.

Century Dictionary and Cyclopedia

1. n. A washer; a washerwoman; a laundress.
2. To launder; wash.
3. n. An aromatic plant of the genus Lavandula, primarily L. vera, the true lavender, which is used as a perfume. See Lavandula.
4. n. The color of lavender-blossoms; a very pale lilac-color, which in consequence of its paleness appears less reddish. A mixture of color-disks white + ½ artificial ultramarine + vermilion gives a lavender. A very pale lavender is called a lavender-gray; a still paler color a French white.
5. n. Hence— To put in pledge; pawn.
6. Of the color of lavender-blossoms; very pale lilac.
7. To sprinkle or scent with lavender.

Wiktionary

1. n. Any of a group of European plants, genus, Lavandula, of the mint family.
2. n. a pale purple colour, like that of the lavender flower.
3. adj. Having a pale purple colour.

GNU Webster's 1913

1. n. (Bot.) An aromatic plant of the genus Lavandula (Lavandula vera), common in the south of Europe. It yields and oil used in medicine and perfumery. The Spike lavender (Lavandula Spica) yields a coarser oil (oil of spike), used in the arts.
2. n. The pale, purplish color of lavender flowers, paler and more delicate than lilac.

WordNet 3.0

1. n. a pale purple color
2. n. any of various Old World aromatic shrubs or subshrubs with usually mauve or blue flowers; widely cultivated
3. adj. of a pale purple color