greas·er (grēsər, -zər)
1. One who greases, such as a worker who greases working parts in a machine.
2. Slang A tough young man, especially one from a white working-class background who is much involved with motorcycles or cars.
3. Offensive Slang Used as a disparaging term for a person of Latin, especially Latin American or Italian, descent.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.