Meaning of “out-box” - Learner’s Dictionary


noun [ C ] uk us /ˈaʊtbɒks/ (also outbox)

the place on a computer where email messages that you are going to send are kept

US (UK out-tray) a container where you keep letters and documents that you want to send to someone

(Definition of “out-box” from the Cambridge Learner’s Dictionary © Cambridge University Press)