noun
messenger boy
A young male employed to deliver messages or run errands, often in an office or hotel setting. The term is somewhat dated and may evoke a historical or old-fashioned image.
昔のホテルでは、メッセンジャーボーイが客室に電報を届けていた。
In old hotels, messenger boys delivered telegrams to guest rooms.
Variant with a middle dot; less common but still seen.
メッセンジャー is a broader term for any messenger, while メッセンジャーボーイ specifically refers to a young male messenger, often in a service role.
Borrowed from English 'messenger boy'.