Lewis & Short

† pĕrĭŏdus (pĕrĭhŏdus, Fest. p. 217 Müll.), i, f., = περίοδος.

  1. I. A complete sentence, a period: in toto circuitu illo orationis, quem Graeci περίοδον, nos tum ambitum, tum circuitum, tum comprehensionem, aut continuationem, aut circumscriptionem dicimus, Cic. Or. 61, 204; cf. id. Brut. 8, 34; 44, 162; Quint. 9, 4, 14; Plin. Ep. 5, 20, 4.
  2. II. The circuit of the four Grecian games (the Pythian, Isthmian, Nemean, and Olympian): in gymnicis certaminibus periodon vicisse dicitur, qui Pythia, Isthmia, Nemea, Olympia vicit, a circumitu eorum spectaculorum, Fest. p. 217 Müll.