Source : Webster's Revised Unabridged Dictionary (1913)

Pedarian \Pe*da"ri*an\, n. [L. pedarius, fr. pedarius belonging
   to the foot, fr. pes, pedis, foot.] (Rom. Antiq.)
   One of a class eligible to the office of senator, but not yet
   chosen, who could sit and speak in the senate, but could not
   vote; -- so called because he might indicate his opinion by
   walking over to the side of the party he favored when a vote
   was taken.