肩けん甲こう棘きょくMeanings1nounscapular spine; spine of the scapulaanatomyAnatomical term for the bony ridge on the posterior surface of the scapula.肩けん甲こう棘きょくは肩けん甲こう骨こつの後こう面めんにある骨ほねの隆りゅう起きです。The scapular spine is a bony ridge on the posterior surface of the scapula.