Latissimus-dorsi definitions

lə-tĭs'ə-məs dôr'sī
Either of two broad, flat, triangular muscles with origin from the spinous processes of the lower thoracic and lumbar vertebrae, the sacrum, and the iliac crest, that insert into the humerus and whose action adducts, medially rotates, and extends the arm.
noun
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Either of the large, wide, triangular muscles, one on each side of the back, connecting the lower and central spine with the arm: it helps rotate, extend, and adduct the arm.
noun
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Either of two broad, flat, triangular muscles with origin from the spinous processes of the lower thoracic and lumbar vertebrae, the sacrum, and the iliac crest, that insert into the humerus and whose action adducts, medially rotates, and extends the arm.
noun
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(anatomy) Either of the larger, flat, dorso-lateral muscles on the trunk, posterior to the arm, and partly covered by the trapezius on its median dorsal region.
noun
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Origin of latissimus-dorsi

New Latin lātissimus dorsī Latin lātissimus superlative of lātus wide Latin dorsī genitive of dorsum back