貝かい殻がら骨ぼねかいがらぼねMeanings1nounshoulder blade; scapulacolloquialColloquial term for the shoulder blade; the standard anatomical term is 肩甲骨 (けんこうこつ).See also: 肩甲骨転ころんだときに貝かい殻がら骨ぼねを打うった。I hit my shoulder blade when I fell.