The crossword solution for the term 'mailboxes' is 'DROPS'. Mailboxes are a type of receptacle used to store and deliver mail. They are typically found outside of homes and businesses, and can be made from a variety of materials such as metal, wood, or plastic. Mailboxes are often used to store letters, packages, and other items that need to be delivered. The term 'DROPS' is often used to refer to mailboxes, as it implies that the mail is dropped off in the mailbox.