n. 锁子甲

[ noun ]
a long (usually sleeveless) tunic of chain mail formerly worn as defensive armor
<noun.artifact>

Hauberk \Hau"berk\ (h[add]"b[~e]rk), n. [OF. hauberc, halberc,
F. haubert, OHG. halsberc; hals neck + bergan to protect, G.
bergen; akin to AS. healsbeorg, Icel. h[=a]lsbj["o]rg. See
{Collar}, and {Bury}, v. t.]
A coat of mail; especially, the long coat of mail of the
European Middle Ages, as contrasted with the habergeon, which
is shorter and sometimes sleeveless. By old writers it is
often used synonymously with habergeon. See {Habergeon}.
[Written variously {hauberg}, {hauberque}, {hawberk}, etc.]
--Chaucer.

Helm, nor hawberk's twisted mail. --Gray.