[count] chiefly US 1 : a public box in which letters and packages are placed to be collected and sent out
▪ On the way to work, I dropped my letters in the corner mailbox. —called also (Brit) letter box (Brit) postbox 2 : a private box on or near a house in which mail is placed when it is delivered
▪ She checked her mailbox daily, hoping for a letter from her son. —called also (Brit) letter box; — see picture at house 3 computers : a computer folder that holds e-mail
▪ an electronic mailbox
▪ On the way to work, I dropped my letters in the corner mailbox. —called also (Brit) letter box (Brit) postbox
▪ She checked her mailbox daily, hoping for a letter from her son. —called also (Brit) letter box; — see picture at house
▪ an electronic mailbox







