latissimus dorsi

la·tis·si·mus dor·si

L0064750 (lə-tĭs′ə-məs dôr′sī)n. pl. la·tis·si·mi dorsi (-mī′) 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.

[New Latin lātissimus dorsī : Latin lātissimus, superlative of lātus, wide + Latin dorsī, genitive of dorsum, back.]

la•tis•si•mus dor•si

(ləˈtɪs ə məs ˈdɔr saɪ)

n., pl. la•tis•si•mi dorsi (ləˈtɪs əˌmaɪ) a broad, flat muscle on each side of the middle of the back, the action of which draws the arm backward and downward. [< New Latin: literally, the broadest (muscle) of the back]

Thesaurus

Noun

latissimus dorsi - a broad flat muscle on either side of the backlatskeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripesback, dorsum - the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"

latissimus dorsi

(lə-tĭs′ə-məs dôr′sī)n. pl. latissimi dorsi (-mī′) 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.