Definition of lavender
1 a
:a Mediterranean mint (Lavandula angustifolia synonym L. officinalis) widely cultivated for its narrow aromatic leaves and spikes of lilac-purple flowers which are dried and used in sachets and from which is extracted an aromatic oil used chiefly in perfumery
b
:any of several plants congeneric with true lavender and used similarly but often considered inferior
2
:a pale purple
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