(Farsi, from Arabic) irrigation canal.

A qanat (from ) or kareez (from ) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi-arid climates. The technology is known to have developed in ancient Persia, and then spread to other cultures, especially along the Silk Road as far east as China as well as by Arabic cultures as far west as Morocco and the Iberian Peninsula.

an underground aqueduct

subterranean water conduit

A Persian word for a portable textile screen surrounding a tent complex.