Water polo balls come in two main sizes: size 5 (0.7 meters or 28 inches in circumference), intended for use by men, and size 4 (0.65 meters or 26.5 inches in circumference), intended for women. Ball weight is 400-450 grams (14-16 ounces) and inflated to approximately 90 kPa (13 PSI) of pressure. The cover is a buffed rubberized fabric over a wound nylon fiber base with an inflatable bladder. ball A water polo ball is usually a bright yellow color with a gripable surface, allowing it to be held with one hand despite its large size. Water polo balls: old (left) and new designs. backhand A pass or shot in which the ball carrier flips the ball directly behind him/her. B back door Offensive player on the weak side gets behind their defender and open for a quick shot. attacker A field player on the team in possession of the ball see Offense (sports). assist A pass to a teammate that leads directly to scoring a goal. The goalkeeper must play the angle, or position him/herself to best contest the shot. goal angle: The triangle between the ball carrier and the two goal posts. angle cutting the angle: The path that a defender must swim to cut off a fast breaking attacker. A advantage rule The referee may refrain from calling a foul if it would give an advantage to the offending player's team. 7 meter line (obsolete) Prior to FINA rule changes in 2005, this was the position for a direct shot on goal after fouls, replaced by the present 5 meter line. A player may shoot at the goal from beyond this line without taking a free pass after an ordinary foul, if the shot is made with one continuous motion. The edge of the pool from the 5 meter mark to the 2 meter mark is a yellow line. 5 meter line The line at each end of the pool crossing 5 meters in front of the goal, designated by a yellow mark on the edge of the pool. 4-2 Offense in Man up situation 4-2 offense Team on offense positions four players on the 2 meter line, and two players on 5 meter line. 4 meter line (obsolete) Prior to FINA rule changes in 2005, this was the position for penalty throws, replaced by the present 5 meter line. 3-3 offense A basic positional offense composed of two lines containing 3 players each: point and two drivers along the 5 meter line, and wings and center forward along the 2 meter line. No attacking player may be in this area without the ball. 2 meter zone or area The area between the 2 meter line and the goal line.

The edge of the playing area from the 2 meter mark to the goal line is a red line. 2 meter line The line at each end of the pool crossing 2 meters in front of the goal, designated by a red mark on the edge of the pool.

Red flags card game list