Chain armour and Coat of mail

Chain armour noun - (Middle Ages) flexible armor made of interlinked metal rings.

Coat of mail and chain armour are semantically related in mail topic. In some cases you can use "Coat of mail" instead a noun phrase "Chain armour", when it comes to topics like byrnie, chain mail.

Coat of mail noun - Armor that protects the wearer's whole body.

Chain armour and coat of mail are semantically related in mail topic. You can use "Chain armour" instead a noun phrase "Coat of mail", if it concerns topics such as byrnie, chain mail.