1. 
   Flyball
   Flyball is a dog sport in which teams of dogs race against each other from a start/finish line, over a line of hurdles, to a box that releases a tennis ball to be caught when the dog presses the spring-loaded pad, then back to their handlers while carrying the ball. Flyball is run in teams of four ...
   Found op http://en.wikipedia.org/wiki/Flyball
   
   
2. 
   Flyball
   A dog sport in which teams of dogs race against each other from their handlers, over a line of hurdles, to a box that releases a tennis ball to be caught when the dog presses the spring loaded pad, then back to their handlers while carrying the ball.
   Found op http://www.apluspetgoods.com/petsupplies/dog-glossary.php
   
   
3. 
   flyball
   A dog sport in which teams of four dogs compete in a relay race on two parallel courses. The course consists of a starting line, 4 hurdles spaced 10 feet apart, and a spring-loaded device which dispenses a tennis ball. [Hurdle height is from 8"-16", and is determined by the height of the shortest d...
   Found op http://budhouston.wordpress.com/a-glossary-of-dog-agility-terms/
   
   
4. 
   flyball
   1) Outfielder's catch
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/flyball/1
   
   

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