rotator
Translation
rotator, rotating part
Examples
The antenna rotator is broken.
The antenna rotator is broken.
He injured his rotator cuff.
He injured his rotator cuff.
Grammar Patterns
a rotator for ((sth.)) a device that rotates (sth.) The antenna rotator is broken.
((sb.'s)) rotator cuff a group of muscles in (sb.'s) shoulder He injured his rotator cuff.
Similar Words
Synonyms: spinner, rotor
Etymology
From the verb 'rotate' plus the suffix '-or', which denotes an agent or a thing that performs an action.
Memory Tips
Break it down: 'rotat(e) + or'. The '-or' suffix means 'a thing that does something', so a rotator is a thing that rotates.