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1.
A rarely used French accent; so rare, in fact, that typically only those with a true mastery of the French language know of it and use it.

Also spelled "circumsay" in English.
French Person A: "Make sure you add a circumsé to that word."

"French" Person B: What's that?

French Person A: Poser.
by 00Zero21600 January 04, 2011