Japanese edit

Kanji in this term
こう
Grade: 2
けい
Hyōgaiji
きん
Grade: 6
kan’on
 広頸筋 on Japanese Wikipedia

Etymology edit

(broad) +‎ 頸筋 (neck muscle)

Noun edit

(こう)(けい)(きん) (kōkeikin

  1. (anatomy) a platysma
    Coordinate term: 広背筋 (kōhaikin)