or·a·to·ry 1 
(ôrə-tôr′ē, ŏr-)
(ôrə-tôr′ē, ŏr-)n.
1. The art of public speaking.
2. Eloquence or skill in making speeches to the public.
3. Public speaking marked by the use of overblown rhetoric.
[Latin (ars) ōrātōria, (art) of speaking, feminine of ōrātōrius, oratorical, from ōrātor, speaker, from ōrātus, past participle of ōrāre, to speak.]