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WordNet-Online 
 Definitions from WordNet
Noun mailbox has 2 senses 
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| Definitions from the WebMailboxesNounA mailbox refers to a receptacle for receiving incoming mail, usually located outside a residential or commercial building. Sample Sentences: 
 VerbIn a verb form, "mailboxes" can be used as a present tense third-person singular form of the verb "mailbox." Sample Sentences: 
 AdjectiveAn adjective form of "mailboxes" is not commonly used. Related Products | ||||
| mail readme mail service mail slot mail train mail upgrading mailbag mailboat mailbox mailboxes maildrop maile mailed mailer mailing-card mailing mailing address mailing list 
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