"colloquy about" is a grammatically correct phrase and can be used in written English.
"Colloquy" means a formal conversation or discussion, so "colloquy about" could be used as a way to describe a discussion or conversation that is happening. It is a formal and more sophisticated way of saying "talk about" or "discussing something." Example: The two professors engaged in a heated colloquy about the future of education.
There was no daylight between Ms. Kagan, who was the dean of Harvard Law School, and Senator Lindsey Graham, Republican of South Carolina, as he led her through a six-minute colloquy about the president's broad authority to detain enemy combatants.
I've read "Richard III" by Shakespeare and never quite understood the king's passionate colloquy about horses, "A horse!
And maybe thirty seconds after Gregory whines about having to endure the slings and arrows of people on Twitter calling him lazy, he presides over a colloquy about today's football game.
Instead, we were treated to such inconsequential distractions as the truly intellectually challenging colloquy about whether Senator Obama simply denounced the praise he got from Louis Farrakhan or both denounced and rejected it.
Like Naipaul, for example, and too many of the rest of us, Majd travels to Qom to engage with learned ayatollahs in elusive colloquies about Islam and the West.
"New Year's Eve" by Thomas Hardy On the brink of a new year, the speaker of this poem has a colloquy with God about the apparently "logicless" business of Creation.
Woodward and Gregory have a "make this about me" colloquy in which they each talk about how awesome it is that they knew stuff about Petraeus and/or knew him personally.
In its finale — a nearly 10-minute version of J. J. Cale's "Magnolia" — she lets them float free, with Mr. Leisz and Mr. Frisell holding a long, leisurely two-chord colloquy as Ms. Williams sings about "the best I ever had": serene, but still longing.
There is also a political undertone to the court's decision, that was reflected in a significant colloquy at oral argument about why the U.S. government was prosecuting in New York two British subjects for conduct that occurred entirely overseas, particularly where the British government was itself conducting a parallel investigation.
This gives a heads up that the colloquy in session is about to terminate.
Apparently unsure what to do, Judge Pohl on Tuesday morning embarked on a long colloquy with bin Attash about the meaning of legal representation, the jobs of the lawyers and of the judge and the need for bin Attash to either trust his lawyers or go it alone.
