Ob·o·lus n.;pl. Oboli   Gr.Antiq. (a) A small silver coin of Athens, the sixth part of a drachma, about three cents in value. (b) An ancient weight, the sixth part of a drachm.
  ◄ ►
  obolus
       n : a Greek unit of weight equal to one tenth of a gram
       [also: oboli (pl)]