Sort 51 Prefixes (uni-, bi-, tri-)

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Across
  1. 3. mythical animal
  2. 5. simultaneous performance
  3. 6. three-legged stand
  4. 8. month of Halloween
  5. 10. mollusk with eight arms
  6. 15. three times
  7. 16. a person fluent in two languages
  8. 17. figure with three straight sides and angles
  9. 19. club
  10. 22. group or series of three things
  11. 23. contains galaxies
Down
  1. 1. worn everyday except the weekends
  2. 2. two wheels
  3. 4. divide into two parts
  4. 7. figure with five straight sides and angles
  5. 9. twice a week
  6. 11. eight-sided figure
  7. 12. one wheel
  8. 13. a set of three
  9. 14. four-sided figure
  10. 18. joined together
  11. 20. one of its kind
  12. 21. one of three children