dorsum

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dor·sum

 (dôr′səm)
n. pl. dor·sa (-sə) Anatomy
1. The back.
2. The upper, outer surface of an organ, appendage, or part: the dorsum of the foot.

[Latin, back.]

dorsum

(ˈdɔːsəm)
n, pl -sa (-sə)
1. (Anatomy) a technical name for the back1
2. (Anatomy) any analogous surface: the dorsum of the hand.
[C18: from Latin, literally: back]

dor•sum

(ˈdɔr səm)

n., pl. -sa (-sə).
1. the back, as of the body.
2. the back or outer surface of an organ, part, etc.
[1775–85; < Latin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dorsum - the posterior part of a human (or animal) body from the neck to the end of the spinedorsum - the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"
saddle - posterior part of the back of a domestic fowl
body part - any part of an organism such as an organ or extremity
torso, trunk, body - the body excluding the head and neck and limbs; "they moved their arms and legs and bodies"
small - the slender part of the back
lat, latissimus dorsi - a broad flat muscle on either side of the back
dorsal vertebra, thoracic vertebra - one of 12 vertebrae in the human vertebral column; thoracic vertebrae extend from the seventh cervical vertebra down to the first lumbar vertebra
lumbar vertebra - one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae
2.dorsum - the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part); "the dorsum of the foot"
body part - any part of an organism such as an organ or extremity
Translations

dor·sum

n. dorso.
1. porción posterior, tal como el dorso de la mano o el pie;
2. espalda.