Pronunciation: [lˈɛtə bˈɒks] (IPA) 
The spelling of the word "letter box" can be explained using IPA phonetic transcription. The initial sound is /l/, followed by the vowel sound /ɛ/ as in "bed." The next sound is the consonant blend /tər/, followed by the vowel sound /b/ as in "bat." The final consonant sound is /ks/ as in "box." Overall, the transcription is /ˈlɛtər bɑks/. This spelling accurately represents the pronunciation of the word "letter box."
A letter box is a receptacle or container specifically designed for the collection or delivery of mail. Commonly found in public spaces or at the entrance of private residences, a letter box serves as a designated location for individuals to deposit outgoing mail or receive incoming mail.
Typically made of metal or plastic, a letter box is characterized by its rectangular or cylindrical shape with a narrow opening on one side to insert or retrieve mail. It may be wall-mounted, freestanding, or built into a structure, such as the front door of a house. The size of a letter box can vary, ranging from small individual mail slots to larger communal boxes utilized by multiple households or businesses.
Letter boxes are an essential component of postal services, facilitating the efficient and secure delivery of mail. They ensure that postal workers can safely deposit letters, packages, or other mail items in a centralized location accessible to the intended recipient. Similarly, individuals can conveniently deposit their outgoing mail into the letter box for collection by the postal service.
The term "letter box" can also be used metaphorically to describe a virtual mailbox or email inbox, where digital correspondence is received, stored, and managed. In this sense, a letter box refers to the electronic equivalent of a physical mailbox, serving as a storage and organization system for digital messages.
A box in which letters are deposited.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The etymology of the word "letter box" can be traced back to the late 17th century. The word "letter" comes from Old French "lettre", which originated from Latin "litera", meaning "letter of the alphabet" or "written communication". The term "box" refers to a small container or receptacle. When combined, "letter box" refers to a container specifically designed to receive and store incoming mail or letters.
