rotator
Rotator (noun) means a person or thing that rotates or causes rotation. Example: “The rotator on the antenna lets you point it in any direction.”
How to use rotator
Learner’s notesIn plain EnglishSomething (a device or muscle) that produces rotation — most familiar in "rotator cuff," the group of shoulder muscles.
Word forms
- Plural
- rotators
Fill the gap
Can you complete this real example?
The _____ on the antenna lets you point it in any direction.
Etymology
Built from rotate plus the agent suffix -or.