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WordNet
rhomboid minor muscle

n. rhomboid muscle that draws the scapula toward the vertebral column and slightly upward [syn: lesser rhomboid muscle, musculus rhomboideus minor]

Wikipedia
Rhomboid minor muscle

In human anatomy, the rhomboid minor is a small skeletal muscle on the back that connects the scapula with the vertebrae of the spinal column.

Located inferior to levator scapulae and superior to rhomboid major, it acts together with the latter to keep the scapula pressed against the thoracic wall. It lies deep to trapezius but superficial to the long spinal muscles.