What is neck armor called?

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Tags

1. #sometimes
2. #additional
3. #separate
4. #protection
5. #europe
6. #primary
7. #lower
8. #western
9. #metal
10. #protected
11. #aventail
12. #under
13. #called
14. #armour
15. #collar
16. #standard
17. #middle
18. #pisan