iulidanZool.|aɪˈjuːlɪdən| [f.mod.L. Iūlida, -idæ, f.Iūlus: see below.] A myriapod of the family Iulidæ: see next 2. [1847Carpenter Zool. §824 The mouth of the Iulidæ strongly resembles that of the larvæ of many insects.]1885Cassell's Encycl.Dict., Iulidan.