n. Flowing water; a stream, especially a great stream; a river.n. A great body of water; the sea.n. A great body of moving water, rising, swelling, and overflowing land not usually covered with water; a deluge; an inundation.n. The inflow of the tide; the semidiurnal rise or swell of water in the ocean: opposed to ebb.n. A great body or stream of any fluid or fluidlike substance; anything resembling such a stream: as, a flood of lava; a flood of light.n. Hence A great quantity; an overflowing abundance; a superabundance.n. The menstrual discharge when excessive.To overflow; inundate; deluge, literally or figuratively: as, to flood a building or a mine in order to extinguish a fire; to flood a meadow.To be poured out abundantly; rise in a flood.To have an excessive menstrual discharge; also, to bleed profusely after parturition; suffer post-partum hemorrhage; flow, as a lying-in woman.n. A large, broad body of water; main tide.n. The main ocean; main sea.See splash, 4.