n. (Physiol.) The mixing of the food with the saliva and other secretions of the mouth in eating. [ 1913 Webster ]

n. [ L. salivatio: cf. F. salivation. ] (Physiol.) The act or process of salivating; an excessive secretion of saliva, often accompanied with soreness of the mouth and gums; ptyalism. [ 1913 Webster ]

☞ It may be induced by direct chemical or mechanical stimulation, as in mastication of some tasteless substance like rubber, or indirectly by some agent which affects the whole system, as mercury compounds. [ 1913 Webster ]