con·clave 
(kŏnklāv′, kŏng-)
(kŏnklāv′, kŏng-)n.
1. A secret or confidential meeting.
2. Roman Catholic Church
a. The private rooms in which the cardinals meet to elect a new pope.
b. The meeting held to elect a new pope.
3. A meeting of family members or associates.
[Middle English, private chamber, conclave of cardinals, from Latin conclāve, lockable room : com-, com- + clāvis, key.]