As nouns the difference between rotator and depressor
is that rotator is one who or that which rotates while depressor is anything that depresses.
rotator
English
Noun
(
en noun)
One who or that which rotates.
(anatomy) A muscle by which a joint can be rotated.
A revolving reverberatory furnace.
(internet) A banner ad that cycles through multiple advertisements.
depressor
English
Noun
(
en noun)
Anything that depresses
An instrument used to push something out of the way during an examination
Any of several muscles that pull down
Anything that lowers blood pressure
Derived terms
* depressor muscle
* tongue depressor