1. (n.) An outpouring; as, effusion of water, of blood, of grace, of words\, and the like.
2. (n.) That which is poured out, literally or figuratively.
3. (n.) The escape of a fluid out of its natural vessel, either by rupture of the vessel, or by exudation through its walls. It may pass into the substance of an organ, or issue upon a free surface.