—n. 1. U.S. Politics. a. a meeting of party leaders to select candidates, elect convention delegates, etc.
b. a meeting of party members within a legislative body to select leaders and determine strategy.
c. (often cap.) a faction within a legislative body that pursues its interests through the legislative process: the Women's Caucus; the Black Caucus. 2. any group or meeting organized to further a special interest or cause.
—v.i. to hold or meet in a caucus.
—v.t. to bring up or hold for discussion in a caucus: The subject was caucused. The group caucused the meeting.