scapula

noun, plural scap·u·las, scap·u·lae [skap-yuh-lee] /ˈskæp yəˌli/.

1. Anatomy. either of two flat, triangular bones, each forming the back part of a shoulder in humans; shoulder blade.
2. Zoology. a dorsal bone of the pectoral girdle.

noun plural -lae (-liː) or -las

1. either of two large flat triangular bones, one on each side of the back part of the shoulder in manNontechnical name: shoulder blade
2. the corresponding bone in most vertebrates

n.“shoulder blade,” 1570s, Modern Latin, from Late Latin scapula “shoulder,” from Latin scapulae (plural) “shoulders, shoulder blades,” perhaps originally “spades, shovels,” on notion of similar shape, but animal shoulder blades might have been used as scraping tools in primitive times, from PIE *skap-, variant of *skep- “to cut, scrape” (see scabies). n. pl. scap•u•las

1. Either of two large, flat, triangular bones forming the back part of the shoulder.shoulder blade

Plural scapulae (skăp′yə-lē′) scapulas

1. Either of two flat, triangular bones forming part of the shoulder. In humans and other primates, the scapulae lie on the upper part of the back on either side of the spine. Also called shoulder blade See more at skeleton.