crotal crostarie • Crotalaria · · · Info · Definitions · Synonyms · Characters · · crotal · · Text Latin · · Script 6 · · Length Definitions · · · (noun) any of several lichens of the genus Parmelia from which reddish brown or purple dyes are made. Synonyms: crottle, crottal. · · Noun Definition 1 Synonyms · · · crottle · · Synonym 1 crottal · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074