(in ancient Athens) a citizen eligible to sit as a judge.
Origin: 1700–10; < Gk dikasts a juryman, equiv. to *dikad-, base of dikázein to judge, determine (deriv. of díkē right, law, order) + -tēs agentive suffix
di·cast (dī'kāst', dĭk'āst') n. One of the 6,000 citizens chosen each year in ancient Athens to sit in the law courts, with functions resembling those of a judge and juror.
[Greek dikastēs, judge, from dikazein, to judge, from dikē, right, custom; see deik- in Indo-European roots.] di·cas'tic adj.