caucus

1. (intransitive or transitive with with) To meet and participate in a caucus.Examples: "Senator Joseph I. Lieberman of Connecticut said yesterday that he will caucus with Senate Democrats in the new Congress, but he would not rule out switching to the Republican caucus if he starts to feel uncomfortable among Democrats."; "The diehard Republicans of Kansas caucused today and delivered a big victory for Mike Huckabee, McCain's remaining serious challenger."; "Democratic Sens. Joe Manchin of West Virginia, Doug Jones of Alabama and Kyrsten Sinema of Arizona voted with Republicans against the measure, as did Sen. Angus King of Maine, an Independent who caucuses with the Democrats."CanadaIsraelPakistanSouth-AfricaUSZimbabwearchaic

2. (informal, by extension, intransitive) To confer.Examples: "The protesters caucused nearby to discuss demands."CanadaIsraelPakistanSouth-AfricaUSZimbabwearchaicbroadlyinformalintransitive

3. (transitive) To bring into or treat in a caucus.Examples: "Although journalists from the private media were barred from entering the hall, different districts caucused the meeting, discussing the voting centres and other logistics."CanadaIsraelPakistanSouth-AfricaUSZimbabwearchaictransitive