[ 'kɔ:kəs ]
■ noun ( plural ~es )
1》 a meeting of the members of a legislative body who belong to a particular political party, to select candidates or decide policy.
2》 a group of people with shared concerns within a larger organization.
■ verb ( ~es , ~ing , ~ed ) chiefly N. Amer. hold or form a ~.
Origin
C18: perh. from Algonquian cau'-cau'-as'u 'adviser'.