The act of pouring out; as, effusion of water, of blood, of grace, of words, and the like.
- The act or an instance of effusing.
- Liquid or other matter poured forth.
- An unrestrained outpouring of feeling, as in speech or writing: "the devout effusions of sacred eloquence” ( Edmund Burke).
- Pathology The seeping of serous, purulent, or bloody fluid into a body cavity or tissue.
- Pathology The effused fluid.