6 occurrences in 6 dictionaries
(Jer 46:4; 51:3), an obsolete English word denoting a scale coat of armour, or habergeon, worn by light-armed "brigands." The Revised Version has "coat of mail."
Jer 46:4; 52:34; sirion, a coat of mail, or scale armor, worn by the light troops called brigands.
The 'brigand' was originally simply a light-armed irregular foot soldier, and the coat of mail which he wore was called a 'brigandine.' The word is used in Jer 46:4; 51:3 (RV 'coat of mail'). See Armour.
elsewhere "habergeon," or "coat of mail."