Definition of rotor
- a brake rotor
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rotor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1892See Words from the same year
What made you want to look up rotor? Please tell us where you read or heard it (including the quote, if possible).