plural of exercise ball

A soft, elastic ball with a diameter of approximately 35 to 85 centimetres, used in physical therapy and exercise.

plural of bowling ball

(bowling) A rack for bowling balls at the start of a bowling lane, where the balls are transported after returning from the pinsetter.

(bowling) A solid ball used in the sport of bowling, with finger holes allowing it to be picked up.

plural of rum ball

plural of ball pit

A play area for children consisting of a pit filled with colourful plastic balls.

Third-person singular simple present indicative form of ball up

(Britain, Australia, New Zealand, vulgar, intransitive) To make a mess of a situtation. / (Britain, Australia, New Zealand, vulgar, transitive) To do something badly. To ruin a job.