Syn. — Emissary, Spy. A spy is one who enters an enemy's camp or territories to learn the condition of the enemy; an emissary may be a secret agent appointed not only to detect the schemes of an opposing party, but to influence their councils. A spy must be concealed, or he suffers death; an emissary may in some cases be known as the agent of an adversary without incurring similar hazard.

EMISSARY
Em"is*sa*ry, a.

1. Exploring; spying. B. Jonson.

2. (Anat.)

Defn: Applied to the veins which pass out of the cranium through apertures in its walls.

EMISSARYSHIP
Em"is*sa*ry*ship`, n.

Defn: The office of an emissary.

EMISSION
E*mis"sion, n. Etym: [L. emissio: cf. F. émission. See Emit.]

1. The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the emission of bank notes. issue bank notes.

2. That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood. Emission theory (Physics), the theory of Newton, regarding light as consisting of emitted particles or corpuscles. See Corpuscular theory, under Corpuscular.