[se.cre.tion] n [F secretion, fr. L secretion-, secretio separation, fr. secernere to separate--more at secret] (1646) 1 a: the process of segregating, elaborating, and releasing some material either functionally specialized (as saliva) or isolated for excretion (as urine) b: a product of secretion formed by an animal or plant; esp: one performing a specific useful function in the organism
2. [
[2]secrete]: the act of hiding something: concealment -- se.cre.tion.ary adj