Any constructed or pre-fabricated pool used primarily for swimming or bathing and is more than eighteen inches (18") in depth
A swimming pool is a large hole in the ground that has been made and filled with water so that people can swim in it. A structure, often a concrete-lined excavation of rectangular shape, that is filled with water and used for swimming
A watertight basin, chamber, or tank containing an artificial body of water for swimming, diving, or recreational bathing
pool used in the Olympic Games (length: 50 meters, width: 25 meters, depth: a minimum of 2.0 meters) with 8 lanes having a width of 2.5 meters each lane (two empty lanes on the outside)