a public in which is placed for pickup and delivery by the post office.
a private , as at a home, into which is delivered by the .
Computers. a file for storing .
(mainly US & Canadian)
(mainly US & Canadian) a public box into which letters, etc, are put for collection and delivery Also called (in Britain and certain other countries) postbox
(on a computer) the directory in which e-mail messages are stored; also used of the icon that can be clicked to provide access to e-mails
also mail-box, 1797, “box for mailbags on a coach,” from mail (n.1) + box (n.1). Meaning “letterbox” is from 1853, American English.
1. A file belonging to a particular user on a particular computer in which received electronic mail messages are stored ready for the user to read them. A mailbox may be just an electronic mail address to which messages are sent and may not actually correspond to a file if the messages are processed automatically, e.g. a mail server or mailing list.
2. A destination for interprocess messages in a message passing system. A mailbox is a message queue, usually stored in the memory of the processor on which the receiving process is running. Primitives are provided for sending a message to a named mailbox and for reading messages from a mailbox.
- Mail bridge
messaging A mail gateway that forwards electronic mail messages between two or more networks if they meet certain administrative criteria. (1996-02-26)
noun 1. a railroad car for carrying mail.
noun 1. a person, usually employed by the post office, who delivers mail.
[meyl-kach-er] /ˈmeɪlˌkætʃ ər/ noun, Railroads. 1. a device on a that, while the train is moving, picks up mailbags suspended beside the track.