(1):

(n.) A cushioned seat, or a large, low sofa or couch; especially, one fixed to its place, and not movable.

(2):

(n.) A saloon or hall where a council is held, in Oriental countries, the state reception room in places, and in the houses of the richer citizens. Cushions on the floor or on benches are ranged round the room.

(3):

(n.) A chief officer of state.

(4):

(n.) A book; esp., a collection of poems written by one author; as, the divan of Hafiz.

(5):

(n.) In Turkey and other Oriental countries: A council of state; a royal court. Also used by the poets for a grand deliberative council or assembly.

(6):

(n.) A coffee and smoking saloon.