GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Caucus , n. [Etymology uncertain. Mr. J. H. Trumbull finds the origin of caucus in the N. A. Indian word cawcawwassough or caú cau-as'u one who urges or pushes on, a promoter. See citation for an early use of the word caucus.] A meeting, especially a preliminary meeting, of persons belonging to a party, to nominate candidates for public office, or to select delegates to a nominating convention, or to confer regarding measures of party policy; a political primary meeting.
   1913 Webster
   This day learned that the caucus club meets, at certain times, in the garret of Tom Dawes, the adjutant of the Boston regiment.
   John Adams's Diary [Feb. , 1763].
   
   1913 Webster
   
         
       

2.       
   Caucus, v. i. [imp. & p. p. Caucused ; p. pr. & vb. n. Caucusing.] To hold, or meet in, a caucus or caucuses.
   1913 Webster