in-box

noun \ ˈin-ˌbäks \
variants: or inbox

Definition of in-box

1 : a box or tray (as on a desk) for holding incoming interoffice mail
2 : a computer folder devoted to incoming e-mail

First Known Use of in-box

1958

in the meaning defined at sense 1

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IN-BOX Defined for English Language Learners

in-box

Definition of in-box for English Language Learners

  • : 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


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