纓えい

noun

tail of a traditional Japanese cap

Refers specifically to the trailing decorative cord or tail attached to the back of a formal court cap (冠). Historical term; not used in modern everyday language.

• 冠かんむりの纓えいは、位い階かいによって色いろや長ながさが異ことなった。

  The tail of the court cap varied in color and length depending on the rank.

noun

chinstrap

In the context of traditional headgear, the cord that passes under the chin to secure the cap. Also a rare, specialized term.

• 兜かぶとの纓えいをしっかり結むすぶ。

  Tie the chinstrap of the helmet securely.