Custard the dragon

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Across
  1. 3. (here)small plates on skin of an animal.
  2. 4. ate up quickly
  3. 7. (here) without giving a rest.
  4. 8. laughed in a light,high-pitched way.
  5. 11. extremely scared
  6. 12. A person who attacks and robs ships at sea.
  7. 13. (of a liquid) flow in a small stream.
Down
  1. 1. wriggle or twist the body when nervous.
  2. 2. lacking courage
  3. 3. Make a sudden sound through one's nose.
  4. 5. an underground prison cell in a castle.
  5. 6. happiness
  6. 9. dance by spinning one's hips.
  7. 10. Name of a famous Knight.