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 ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.