Sentence:  οὐγγία), the twelfth part of the As or Libra, is derived by Varro from "unus", as being the unit of the divisions of the as ("L. L." v. 171, Müller). It was subdivided into 2 "semunciae", 3 "duellae", 4 <WSD>"sicilici</WSD>", 6 "sextulae", 24 "scrupula", and 144 "siliquae". 
Meaning of the word marked with <WSD> tags:  A unit of weight equal to one quarter of an uncia.