nounleucŏgaeaLEVCOGAEA☆ KeepMeaninga precious stone almost unknownLewis & Short 1879ModernAs printed, 1879LEUCOGAEALEWIS & SHORTLEUCOGAEAleucŏgaea, ae, f., = λευκόγαια (of white earth), I. a precious stone almost unknown, Plin. 37, 10, 59, § 162. Read the whole entry