Green Sort 49

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Across
  1. 5. A vehicle with one wheel.
  2. 10. Being able to speak two languages.
  3. 11. Occurring every two weeks.
  4. 12. A regular five sided shape.
  5. 14. The whole world.
  6. 15. The state of being united.
  7. 16. One of a kind.
  8. 18. A three legged stool.
  9. 20. A regular eight sided shape.
  10. 22. To cut or divide into two equal parts.
Down
  1. 1. The tenth month.
  2. 2. A mythical creature resembling a horse, with a single horn.
  3. 3. A vehicle with two wheels.
  4. 4. A plane figure having four angles and four sides.
  5. 6. Joined or combined.
  6. 7. A vehicle with three wheels
  7. 8. A regular three sided shape.
  8. 9. Complete agreement or harmony.
  9. 13. A group of three related things.
  10. 14. An identifying outfit worn by members of a given organisation.
  11. 17. Any group of three things.
  12. 19. To multiply by three.
  13. 20. A sea creature with eight arms.
  14. 21. One of three children born at the same time.