1. A thorough cleaning or ordering.
2. Informal The final, often routine tasks that complete a project.
3. Slang A very large profit; a killing.
4. Baseball The fourth position on a team's batting order, usually reserved for a strong hitter who can drive in extra runs.
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.