the bodily process of making and releasing some material either functionally specialized, e.g. a hormone, saliva, latex, or resin, or isolated for excretion, e.g. urine
a product formed by this process
the act or an instance of hiding something
secretionary adj
[(sense 1) from French sécrétion, from Latin secretion-, secretio separation, from secernere: see secret1; (sense 2) from secrete2]