The term 'high ball' is a term used in various sports and activities. In baseball, it refers to a pitch that is thrown high in the air. In golf, it is a shot that is hit with a high trajectory. In tennis, it is a serve that is hit with a high arc. In volleyball, it is a spike that is hit with a high trajectory. The crossword solutions for the term 'high ball' are LOB (3 letters), SUN (3 letters), PROM (4 letters), POPUP (5 letters), and POPFLY (6 letters). LOB stands for 'long ball, ' which is a long-distance shot in baseball. SUN stands for 'SUN ball, ' which is a high-arcing shot in golf. PROM stands for 'PROMENADE, ' which is a high-arcing serve in tennis. POPUP stands for 'pop up, ' which is a high-arcing shot in baseball. POPFLY stands for 'pop fly, ' which is a high-arcing shot in baseball.