Source : Webster's Revised Unabridged Dictionary (1913)

Orchil \Or"chil\, n.
   See {Archil}.

Source : WordNet®

orchil
     n 1: a purplish dye obtained from orchil lichens [syn: {archil},
          {cudbear}]
     2: any of various lecanoras that yield the dye archil [syn: {archil}]