“Discourse (noun): Verbal expression or interchange of ideas; discussion or conversation; a formal address or paper on a subject. Adjective: discoursive; adverb: discoursively; noun: discoursiveness; verb: discourse.
‘He is not so amused, however, at the disclosure of my having temporarily “lost” my papers in the forest. He gives me a discourse on carelessness. It is a short discourse, but it weighs about four tons.’ Tom Robbins, Another Roadside Attraction”
Excerpted from: Grambs, David. The Random House Dictionary for Writers and Readers. New York: Random House, 1990.