Definition of "mailbox" []

• A public container for deposit of outgoing mail. Also called postbox. (noun)
• A private box for incoming mail. Also called letterbox. (noun)
• A computer file or set of files for the collection and storage of e-mail. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Kitten still has a smile of wonder on her face when they get what she calls their "mailbox money," those big old checks for which they don't have to do a darn thing."
• "The incorrect mailbox is shattered by this explosion."
• "Rather than advertise your home address on your business cards and website, you may want to rent a mailbox from a private mailbox provider (such as "The UPS Store")."