1. Any of several lichens of the genus Parmelia from which reddish brown or purple dyes are made
   - crottle, crotal

Derived forms: crottals

Type of: lichen

Part of: genus Parmelia, Parmelia

• coati-mondi
• coati-mundi
• coating
• coatrack
• coatroom
• Coats Land
• coattail
• coattails effect
• coauthor
• coax
• coax cable
• coaxal
• coaxer
• coaxial
• coaxial cable
• coaxing
• coaxingly
• cob
• cobalamin
• cobalt
• cobalt 60
• cobalt bloom
• cobalt blue
• cobalt ultramarine
• cobaltic