ARCHILS
- a violet dye obtained from lichens (genera Roccella and Lecanora)
- lichen that yields archil
- violet coloring matter obtained from certain lichens, chiefly species of Roccella
- any lichen yielding this dye
- ARCHIL, orchil (a purple dye) [n]
- ARCHIL, a red or violet dye, also ORCHEL, ORCHELLA, ORCHILLA, ORSEILLE [n]