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2.
1. A long pompous speech, especially one delivered before a gathering.
2. A speech or piece of writing characterized by strong feeling or expression; a tirade.
3.a very long speech

to harangue(vb)

to address (a person or crowd) in an angry, vehement, or forcefully persuasive way
n
a loud, forceful, or angry speech
harangues from the headmaster on good behaviour.
by Sara.Bee March 13, 2010
 
1.
An oration, lecture, tirade
by Larstait November 06, 2003