Simple Definition of in–box
: a box or other container on a desk in which letters, notes, etc., that are sent to the desk are placed
computers : a computer folder that holds new e-mail messages
Full Definition of in–box
: a box or tray (as on a desk) for holding incoming interoffice mail; also : a computer folder devoted to incoming e-mail
First Known Use of in–box
Seen and Heard
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