Found 2 items, similar to crottal.
English → English (WordNet) Definition: crottal crottal n : any of several lichens of the genus Parmelia from which reddish brown or purple dyes are made [syn: crottle, crotal]
English → English (gcide) Definition: crottal crottal \crottal\ n. any of several lichens of the genus Parmelia from which reddish brown or purple dyes are made. [Also spelled crottle and crotal.] Syn: . [WordNet 1.5]