v. crumped, crump·ing, crumps
1. To crush or crunch with the teeth.
2. To strike heavily with a crunching sound.
To make a crunching sound, especially in walking over snow.
a. A crunching sound.
b. The sound of an exploding shell.
2. A heavy blow.
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.