mailbox — English Dictionary

Noun

1. A box into which mail is placed. A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.

   Usage

   • US usage

   Synonyms

   postboxUSPS blue boxblue boxcollection box

   Examples

   She waved back, placed a stack of envelopes in her mailbox, and lifted the red flag.

2. A box into which mail is placed. A delivery point for mail, a box, compartment or slot for this purpose.

   Usage

   • US usage

   Synonyms

   letterbox

3. A folder or account for the storage of email; an electronic inbox or mailstore.

Noun

1. a private box for delivery of mail

   Synonyms

   letter box

   Broader terms

   box

2. public box for deposit of mail

   Synonyms

   postboxletter box

   Broader terms

   maildrop