noun
neck guard (of a Japanese helmet); series of articulated plates
Refers to the protective series of overlapping plates hanging from the back and sides of a kabuto (兜). A specialized historical armor term.
See also: 兜
兜の錣が肩を守る。
The neck guard of the helmet protects the shoulders.
博物館で、錣のついた古い兜を見た。
I saw an old helmet with a neck guard at the museum.
兜 is the entire Japanese helmet, while 錣 specifically refers to the neck guard attached to it.
The historical derivation is uncertain; the kanji 錣 is conventionally associated with this armor part.