dorsum vs saddle

dorsum and saddle both are nouns.

Word	Noun	Adjective	Verb	Adverb
dorsum	Yes	No	No	No
saddle	Yes	No	Yes	No

dorsum (noun)	saddle (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)	posterior part of the back of a domestic fowl
the posterior part of a human (or animal) body from the neck to the end of the spine	a seat for the rider of a horse or other animal
	a seat for the rider of a bicycle
	a piece of leather across the instep of a shoe
	cut of meat (especially mutton or lamb) consisting of part of the backbone and both loins
	a pass or ridge that slopes gently between two peaks (is shaped like a saddle)

dorsum (verb)	saddle (verb)
	impose a task upon, assign a responsibility to
	put a saddle on
	load or burden; encumber