An agent sent on a mission to represent the interests of someone else. / (anatomy) A venous channel in the skull. / An underground channel by which the water of a lake escapes.

plural of emissary

(medicine) Connecting one organ or system to another, especially forming connections from outside the cranium to inside the cranium. / Pertaining to an emissary or the functions of an emissary.

The status or office of an emissary.