Wind catchers are structures used to capture the wind and direct it into a building or other structure. They are typically found in hot, dry climates and are used to cool the air inside the building. The term 'wind catcher' is derived from the crossword solution 'sails, ' which refers to the sails of a boat that catch the wind and propel the boat forward. Wind catchers are also known as wind towers, wind scoops, or wind funnels.