Number 9

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Across
  1. 2. – A dense group of bushes or trees
  2. 5. – A 14-line poem with a specific rhyme scheme
  3. 7. – Very hot and dry
  4. 10. – A metallic element and a shade of blue
  5. 11. – A flat elevated area
  6. 13. – A shallow body of water separated from the sea
  7. 15. – A group of islands
  8. 16. – A special anniversary celebration
  9. 17. – To support or strengthen
  10. 18. – A soft, gentle breeze
Down
  1. 1. – Mysterious or obscure in meaning
  2. 3. – A cold, treeless region with frozen ground
  3. 4. – A large ship or a container for liquids
  4. 6. – To act in a submissive manner
  5. 8. – Showing a lack of proper concern
  6. 9. – The minimum number of members needed for a meeting
  7. 11. – A swinging weight used in clocks
  8. 12. – A social outcast
  9. 14. – An entrance hall in a building