No. 18

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Across
  1. 4. Alexander the Great birthplace
  2. 7. Fifth digit of pi
  3. 10. Thespian, of sorts
  4. 12. Lord of the Rings author
  5. 14. A device to connect and control, or a location to disconnect
  6. 16. Informal word meaning “awesome” or “amazing”
  7. 18. A type of miniature apple tree
  8. 19. Standard scientific units
  9. 20. Wooden crosspiece for domesticated animals
  10. 21. Old, or ancient
  11. 22. Hanging Gardens location
Down
  1. 1. A disease, or building coverings
  2. 2. A teensy bit, a ___
  3. 3. Term referring to a young man
  4. 5. A shade of blue, particularly associated with blue skies
  5. 6. Winter War Defenders
  6. 8. Ne on the periodic table
  7. 9. An irrigation entrance cover, or happy explanation if heard with no context
  8. 11. Pseudo, mock
  9. 13. Ethiopian gemstone
  10. 15. Early morning adult beverage, or Persian silk tree
  11. 17. Spice collected from the stigma of a flowering plant
  12. 18. Pine ___, Snow ___