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latissimus Syllabification: la·tis·si·mus
Pronunciation: /läˈtisəməs/
(also latissimus dorsiˈdôrsī)

Definition of latissimus in English:

noun (plural latissimi-ˌmī-ˌmē)

Anatomy
Either of a pair of large, roughly triangular muscles covering the lower part of the back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits.
Example sentences
  • We measured right and left sides of 4 muscles - sternocleidomastoideus, trapezius, latissimus dorsi, and rectus abdominis - 3 times and averaged the value for each muscle.
  • Accessory slips may join the deltoid with infraspinatus, latissimus dorsi, or even teres major.
  • Subjects with greater imbalance of muscle stiffness such as latissimus dorsi or trapezius had significantly higher neuroticism and psychoticism scores than did those with lower imbalance.

Origin

Early 17th century: modern Latin, from musculus latissimus dorsi, literally 'broadest muscle of the back'.

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