Definitions:

1. A medieval, sleeveless coat of mail that was worn in the 14th century under a plated hauberk. NOUN
   • The habergeon hangs in the museum.
2. A type of chain armor, which is flexible armor made of interlinked metal rings. NOUN
   • The knight removed his habergeon after a long day of fighting.

Synonyms:

• brigandine
• byrnie
• chain armor
• chain mail
• coat of mail
• mail
• ring mail