The crossword solution for the term 'Something to Pump' is 'IRON'. IRON is a metallic element that is used in many different applications. It is often used to make tools, weapons, and other objects. It is also used in the production of steel, which is a strong and durable material used in construction and other industries. IRON is also used in pumps, as it is a strong and reliable material that can withstand high pressures.