Latin, meaning: speech, address, oration. 
(from the article `Celtis, Conradus`) ...of patriotism that partly inspired these editions is an important element in Celtis` works. German greatness past and present is a recurrent ...
A triumph awarded to a general or governor. An oratio had lesser status than an ovatio or a triumphus. 
(Latin) oration.
speech, address, oration.