/ ˈlævəndə(r); NAmE / noun [ U ]
1.
a garden plant or bush with bunches of purple flowers with a sweet smell
2.
the flowers of the lavender plant that have been dried, used for making sheets, clothes, etc. smell nice :
lavender oil
3.
a pale purple colour
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WORD ORIGIN
Middle English : from Anglo-Norman French lavendre , based on medieval Latin lavandula .