This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The back.

n. The upper, outer surface of an organ, appendage, or part: the dorsum of the foot.

n. ridge on a hill; Used by planetary geologists to refer to ridge on the surfaces of planet and moon.

n. The back or dorsal region on an animal.

n. The ridge of a hill.

n. The back or dorsal region of an animal; the upper side of an appendage or part.

n. In anat.: The back

n. The back of a part or organ: as, the dorsum of the foot; the dorsum of the shoulder-blade.

n. In conchology, the upper surface of the body of a shell, the aperture being downward.

n. The ridge of a hill.

n. In the ammonite cephalopods, the inner or umbilical margin of the conch.

n. In botany: Same as back. 3 .

n. The convex side of the girdle of a diatom.

n. the posterior part of a human (or animal) body from the neck to the end of the spine

n. 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 new species is distinguished from all congeners by having a melanistic color pattern, with head and dorsum of the body mostly dark-brown to black; absence of postocular stripe; venter grayish-brown, with dark rounded blotches outlining two lateral stripes which become gradually paler towards the posterior region of the belly, disappearing after midbody."

body part   

longissimus dorsi    latissimus dorsi   

dorsal   

dorsa   

sauntering    black-balling    word-building    forcemeat    gloze