Ef-fu’sion, n.

(-fū’zhun), n. [Lat. effusio, from effundere; Fr. effusion, It. effusione.] 1. The act of pouring out; as, effusion of water, of blood, of grace, of words, and the like. To save the effusion of my people's blood. Dryden. 2. That which is poured out. Wash me with that precious effusion, and I shall be whiter than snow. King Charles.

3. Liberal donation. [Obs.] “That liberal effusion of all that they had.” Hammond.
4. (Pathol.) (a.) The escape of a fluid out of its natural vessel into another part. (b.) The secretion of fluids from the vessels, as of lymph or serum, on different surfaces. Hoblyn.