from The Century Dictionary and Cyclopedia
- n. A box to receive letters.
- n. One of a number of rented boxes in a post-office, in which letters are placed by the postmaster or clerk to be collected by the owners of the boxes at their convenience. More commonly called simply box.
- n. A box to receive letters, affixed at the entrance of a dwelling or place of business, usually upon the inside of the door, with a slit through which letters may be thrust in from without.
Sorry, no etymologies found.