柯林斯詞典shoulder blade (shoulder blades) 1. N-COUNT Your shoulder blades are the two large, flat, triangular bones that you have in the upper part of your back, below your shoulders. 肩胛骨 返回 shoulder blade劍橋詞典a large , flat bone on each side of your back below your shoulder that helps to increase the range of movement of your arm 肩胛骨 同義詞scapula 返回 shoulder blade