·noun The plant from which the dye is obtained.
II. Archil ·noun A violet dye obtained from several species of lichen (Roccella tinctoria, ·etc.), which grow on maritime rocks in the Canary and Cape Verd Islands, ·etc.
♦ Rocella tinctorum fucus, a lichen found on the rocks of the Canary and Cape de Verde groups; it yi...
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