wham (wăm, hwăm)
1. A forceful, resounding blow.
2. The sound of such a blow.
v. whammed, wham·ming, whams
To strike or crash into with resounding impact.
To collide or strike with great force.
Used to indicate the sound of a forceful blow or collision.
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.