1. The act or process of one that packs.
2. The processing and packaging of manufactured products, especially food products.
3. A material used to prevent leakage or seepage, as around a pipe joint.
a. The insertion of gauze or other material into a body cavity or wound for therapeutic purposes.
b. The material so used; a pack.
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.