aventail
/ˈævənˌteɪl/
noun
- A piece of chain mail attached to a helmet to protect the neck and throat, used in medieval armor.
- The blacksmith carefully repaired the aventail so it would protect the wearer in battle.
- In the museum, the display showed an aventail made of interlocking iron rings.
- The knight's aventail hung down from his helmet, covering his neck.
Synonyms