n. In anatomy, the shoulder-blade, or blade-bone, or omoplate.n. In Crinoidea, one of the plates in the cup which give rise to the arms.n. In entomology: One of the parapsides or plicæ scapulares on the side of the mesothorax.n. A pleura, including the episternum and epimeron, the latter being distinguished by Burmeister as the posterior wing of the scapula. Also scapularium. See parapsis.n. A shoulder-tippet, or shoulder-cover. See patagium .n. A trochanter of the fore leg.