[peyton randolph]

Is it a three ring caucus?

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Would that be a 3-ring cauci?

[DoughtyOne]

That could involve 3, 6, 9... rings.

[IrishBrigade]

Would that be a 3-ring cauci?

Caucus looks like a standard 2nd declension Latin noun, in which case it would be cauci, but apparently it isn’t a Latin word...possibly Algonquin...