Definition of Parma violet
1
:a sweet violet widely cultivated for its pale lavender sweet-scented fully double flowers
2
or
parma violet
a
:a moderate violet that is bluer and lighter than damson, bluer and paler than Roman purple, and paler and slightly redder than prelate — called also
Parme, violet Parme
b
of textiles
:a strong violet that is redder and lighter than pansy, redder, lighter, and stronger than royal purple (see royal purple 2), and lighter, stronger, and slightly redder than clematis
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