aquifer
n. C1 Advanced US //ˈækwəfɝ// UK //ˈækwɪfɐ// aquifer
n. a layer of soil or rock that holds water and allows it to flow through. It acts like a natural underground reservoir that people can pump water from.
n. a body of saturated soil or rock through which water can flow. It serves as a natural reservoir for groundwater, which is often extracted for human use.
The local farmers rely on the aquifer for their crops.
Heavy rainfall in the mountains helps recharge the aquifer, ensuring a steady supply of clean water for the city.
Environmental scientists are monitoring the aquifer for signs of contamination, as the slow movement of water through the limestone makes it difficult to clean once pollutants are introduced.
From aqui- + -fer.