Dorsum

[dɔ:sәm]

Definition

(noun.) 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'.

Typist: Shirley--From WordNet

Definition

(n.) The ridge of a hill.

(n.) The back or dorsal region of an animal; the upper side of an appendage or part; as, the dorsum of the tongue.

Checker: Tanya