Definitions play an important role in mathematics.  
Determine the answer to each of the definitions below 
(the blanks indicate the number of letters in the word):

1. In baseball, the bags that players run around:    _ _ _ _

2. To perform in the correct way:   _ _ _ _ _ _ _ _

3. To be reasonable:   _ _ _ _ _ _ _ _ 

4. A person who is not "cool":   _ _ _ _ _ _ 

5. Metal supports for your teeth:   _ _ _ _ _ _  

6. Six games in tennis make one:   _ _ _ 

7. Montgomery Taylor Sette was called   _ _ _ _ _      _ _ _     
    by his friends.

8. A couple who go bowling:   _ _ _ _ _ _ _ _ _ 

9. Straight forward tricks:    _ _ _ _ _ _ _ _ _ 

10. Where mermaids live:   _ _ _ _ _ _ _ 

11. The amount of food one of the Washington Redskins eats at a meal:
      _ _ _ _ _ _ _ _ _ _

12. A place for captured butterflies:    _ _ _ _ _ _ _ 

13. For listening but not watching:   _ _ _ _ _ 

14. How to make a ditch:   _ _ _ _ _ 

15. What to do with a worm:   _ _ _ _ _ _ _ _ _ _ _

16. How the poet wrote his love:   _ _ _ _ _ _ _ 

17. When the sun is blocked by the moon:   _ _ _ _ _ _ _ 

18. The Indian Chief cried to his best brave in the heat of the fight, 
      "  _ _ _ _ _  ."

19. What mathematicians sleep on:   _ _ _ _ _ _ _ _