Focus on the pronunciation of mailbox
English definition of “mailbox”
mailbox (also mail box)
/ˈmeɪlbɒks/ noun [C]
› COMMUNICATIONS a box in an office or outside a person's home where letters are delivered: Your mailbox is with all the others near the receptionist's desk.
› IT, COMMUNICATIONS the part of a computer program that shows on a computer screen where electronic messages are stored: Look out for our emails in your electronic mailbox. Check your mailbox tomorrow for the trip details. → See also inbox