1. (n.) The act of secreting or concealing; as, the secretion of dutiable goods.

2. (n.) The act of secreting; the process by which material is separated from the blood through the agency of the cells of the various glands and elaborated by the cells into new substances so as to form the various secretions, as the saliva, bile, and other digestive fluids. The process varies in the different glands, and hence are formed the various secretions.

3. (n.) Any substance or fluid secreted, or elaborated and emitted, as the gastric juice.

burial burying clouding concealedness concealment covering covering up covertness darkening deception discharge discharging drain draining dribbling drip dripping drop dropping effusion egestion ejaculation ejection elimination emanating emanation emission escape excreta excreting excretion extravasate extravasation extrusion exudation flow flux generation hiddenness hiding interment invisibility leak leakage leaking masking mystification obscuration obscurement occultation oozing putting away release running screening secrecy secreting seepage seeping subterfuge transudate transudation trickle trickling uncommunicativeness