also: かたじるし
noun
shoulder mark; shoulder board; epaulette
Refers to the insignia worn on the shoulders of uniforms, especially military or official uniforms.
彼の肩章には星が三つ付いていた。
His shoulder board had three stars on it.
制服の肩章が取れそうになっている。
The epaulette on the uniform is about to come off.
Compound of 肩 (shoulder) and 章 (badge, mark). The reading けんしょう is the standard on'yomi; かたじるし is a less common kun'yomi-based reading.