the act of depressing.-the state of being depressed; a sinking.-a falling in of the surface; a sinking below its true place; a cavity or hollow; as, roughness consists in little protuberances and depressions.-humiliation; abasement, as of pride.-dejection; despondency; lowness.-diminution, as of trade, etc.; inactivity; dullness.-the angular distance of a celestial object below the horizon.-the operation of reducing to a lower degree; -- said of equations.-a method of operating for cataract; couching. see couch, v. t., 8.