Sump may refer to: * An

infiltration basin An infiltration basin (or recharge basin) is a form of engineered sump or percolation pond that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay. I ...

used to manage surface runoff water and recharge underground aquifers * Sump (cave), a permanently flooded section of a cave, where an underground flow of water exits the cave into the earth such that the caver must submerge under water to reach the other side * the lowest point in a basement, which collects water that enters from outside and can be moved back out with a sump pump * the sump at the bottom of an

internal combustion engine An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal comb ...

, where oil pools **

dry sump A dry sump system is a method to manage the lubricating motor oil in Four-stroke engine, four-stroke and large Two-stroke engine, two-stroke Reciprocating engine, reciprocating internal combustion engines. The dry sump system uses two or more o ...

in racing motorcycles and piston aircraft engines ** wet sump * Sump (aquarium) * A sump section below the mouthpiece of a diving snorkel * the sump in a

nuclear power plant A nuclear power plant (NPP), also known as a nuclear power station (NPS), nuclear generating station (NGS) or atomic power station (APS) is a thermal power station in which the heat source is a nuclear reactor. As is typical of thermal power st ...

's reactor housing that collects any overflow of primary loop coolant * In a shaft sinking, the water handling facility of the mine often at its lowest point * the

bilge The bilge of a ship or boat is the part of the hull that would rest on the ground if the vessel were unsupported by water. The "turn of the bilge" is the transition from the bottom of a hull to the sides of a hull. Internally, the bilges (us ...

of a boat * the

vitreous humour The vitreous body (''vitreous'' meaning "glass-like"; , ) is the clear gel that fills the space between the lens and the retina of the eyeball (the vitreous chamber) in humans and other vertebrates. It is often referred to as the vitreous hum ...

, which serves a minor role as a metabolic sump of the human eye * a grenade sump in a

foxhole Foxhole may refer to: Military * Foxhole, a type of defensive fighting position A defensive fighting position is a type of Earthworks (engineering)#Military use, earthwork constructed in a military context, generally large enough to accommodat ...

* the sump, the center of the cosmos in medieval

cosmology Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe, the cosmos. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', with the meaning of "a speaking of the wo ...

See also