- a violet coloring matter obtained from certain lichens, chiefly species of Roccella.
- any lichen yielding this dye.
Origin of orchil
Borrowed into English from Old French around 1475–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for orchil
What's the matter with Orchil, and that hatchet-faced beagle-pup, Mottly?
"He seems to be inside this deal," ventured Orchil with his suave smile.
"Captain Selwyn is perfectly right," observed Orchil coolly.
Turmeric, orchil, catechu, and indigo carmine are all extremely fugitive.
Roccella, rok-sel′a, n. a genus of parmeliaceous lichens, yielding dyers' archil or orchil.
- any of various lichens, esp any of the genera Roccella, Dendrographa, and Lecanora
- Also called: cudbear a purplish dye obtained by treating these lichens with aqueous ammonia: contains orcinol, orcein, and litmus
C15: from Old French orcheil, of uncertain origin