v. vom·it·ed, vom·it·ing, vom·its
1. To eject part or all of the contents of the stomach through the mouth, usually in a series of involuntary spasmic movements.
2. To be discharged forcefully and abundantly; spew or gush: The dike burst, and the floodwaters vomited forth.
1. To eject (contents of the stomach) through the mouth.
2. To eject or discharge in a gush; spew out: The volcano vomited lava and ash.
1. The act or an instance of ejecting matter from the stomach through the mouth.
2. Matter ejected from the stomach through the mouth.
3. An emetic.
[Middle English vomiten, from Latin vomitāre, frequentative of vomere; see wemə- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.