n.
  - a small aromatic evergreen shrub of the mint family, with narrow leaves and bluish-purple flowers. 
[Genus Lavandula.]
 
▸
(also lavender oil)
 a scented oil distilled from lavender flowers.
 ▸used in names of similar plants, e.g. sea lavender.
 - a pale blue colour with a trace of mauve.
 
 
  Etymology
  ME: from Anglo-Norman Fr. lavendre, based on med. L. lavandula.