Definition of latissimus dorsi

< latish

latitude >

la·tis·si·mus dor·si    (l-ts-ms dôrs) KEY 

NOUN:
pl. la·tis·si·mi dorsi  (-m) KEY 

Either of two broad, flat, triangular muscles running from the vertebral column to the humerus.

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ETYMOLOGY:
New Latin ltissimus dors : Latin ltissimus, superlative of ltus, wide + Latin dors, genitive of dorsum, back