胛かいがねMeanings1nounshoulder blade; scapulaarchaicArchaic anatomical term for the shoulder blade; modern Japanese uses 肩甲骨 (けんこうこつ).See also: 肩甲骨古ふるい医い学がく書しょには「胛」という字じが肩けん甲こう骨こつを指さして使つかわれている。In old medical texts, the character 胛 is used to refer to the shoulder blade.