Definition of "expatiation" [ex•pa•ti•a•tion]

• An act of expatiating (noun)

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• "His brother-in-law paused in the middle of an expatiation on the business opportunities of the neighborhood."
• "If you expect to feel any emotion or any interest you will not experience it in the long details of a war, the subject of which is very dry and the expressions bombastic, but if you would have bold ideas, an eloquent expatiation on sublime and philosophical courage, Lucan is the only one among the ancients in whom you will meet with it."
• "He merely cites one passage — no more, no less — and declares the book dead, without even casual expatiation."