1. One that locks: a locker of windows and doors.
2. A small, usually metal compartment that can be locked, especially one at a gymnasium or public place for the safekeeping of clothing and valuables.
3. A flat trunk for storage.
4. A heavily insulated refrigerated cabinet, compartment, or room for storing frozen foods.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.