Lewis & Short

ăgĭpēs, pĕdis, m. [ago-pes], in Lucilius = pedarius senator, a senator who silently passes over to him for or with whom he intends to vote, Fest. s. v. pedarium, p. 210 Müll.; agipes ut vocem mittere coepit, Lucil. p. 145 Müll.