Lewis Short
(verb) : pĕr-ōro, āvi, ātum, 1
* To speak from beginning to end, to plead or argue throughout, to harangue at length (class.).
* Prop.: QVOM PERORANT AMBO PRAESENTES, Fragm. XII. Tab. ap. Gell. 17, 2, 10: contra tales oratores tantam causam perorare,Cic. Quint. 24, 77: a Quinto Hortensio causa est P. Sestii perorata,id. Sest. 2, 3: et breviter peroratum esse potuit, nihil me commisisse,Liv. 34, 31: jus perorandi,Tac. A. 2, 30; 3, 17: tribus horis,Cic. Fin. 4, 1, 1; id. Clu. 51, 145: in Proculas,Juv. 2, 67.
* In partic., to bring a speech to a close, to wind up, conclude, finish: strepitu senatūs coactus est, aliquando perorare,Cic. Att. 4, 2, 4: alii jubent antequam peroretur digredi,id. de Or. 2, 19, 80: dicta est a me causa et perorata,id. Cael. 29, 70; id. Inv. 2, 15, 48; id. Leg. 2, 27, 69: brevi,id. Inv. 1, 48, 90: peroratā narratione,Auct. Her. 1, 10, 17: quoniam satis multa dixi, est mihi perorandum,id. Ac. 2, 48, 147: de ceteris perorare,Nep. Epam. 6, 3.
* In gen., to bring to an end; to conclude, finish a thing: res illo die non peroratur, dimittitur judicium,Cic. Verr. 2, 2, 29, § 70: de quā cum dixero totum hoc crimen decumanum perorabo,id. ib. 2, 3, 66, § 154; id. Att. 5, 10, 2.
* (Acc. to oro, II. B.) To pray, to bring a prayer to an end: et hic quidem ita peroravit,Vulg. 2 Macc. 15, 24.
Charlton T. Lewis, Charles Short, A Latin Dictionary