American Dictionary

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Definition mailbox in American English

mailbox noun

[countable] noun
/ˈmeɪlˌbɑks/
1

a container in a public place where you can mail letters

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2

a box or other container for putting letters in when they are delivered to a house. The British word is letterbox.

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3

a part of a computer's memory where e-mail is stored

Synonyms and related words
Definition mailbox in American English