dracontia

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

drăcontĭa, ae, f., drăcontĭas, ae, m., = δρακοντίας, or drăcōnītis, ĭdis, f.,

a precious stone , Plin. 37, 10, 57, § 108; Sol. 43.