out–box

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noun \ˈau̇t-ˌbäks\
variants: or

outbox

Definition of out–box

  1. 1 :  a box or tray (as on a desk) for holding outgoing interoffice mail

  2. 2 :  a computer folder for outgoing e-mail messages that have not yet been sent

First Known Use of out–box

1970


OUT–BOX Defined for English Language Learners

out-box

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noun

Definition of out–box for English Language Learners

  • : a box or other container on a desk in which letters, notes, etc., that are being sent from the desk are placed

  • computers : a computer folder that holds e-mail messages you have not yet sent

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