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From our dictionary:
(stA'sis, stas'is), —n., —pl. sta•ses (stA'sEz, stas'Ez).
1. the state of equilibrium or inactivity caused by opposing equal forces.
2. Pathol. stagnation in the flow of any of the fluids of the body, as of the blood in an inflamed area or the intestinal contents proximal to an obstruction.