roman tactics and armour

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Across
  1. 3. protects someone in the middle
  2. 4. fires large stones.
  3. 5. snaps on impact
  4. 9. built out of wood and very large
  5. 10. sword in latin
Down
  1. 1. has protection from above
  2. 2. who commands the army
  3. 6. another word for wedge
  4. 7. used to ram walls
  5. 8. like a birds position in the air.