nouncircŏsCIRCOS☆ KeepMeaninga precious stoneLewis & Short 1879ModernAs printed, 1879CIRCOSLEWIS & SHORTCIRCOScircŏs, i, m., = κιρκος (a top), I. a precious stone unknown to us, Plin. 37, 10, 56, § 153.Read the whole entry