1. a bag used by postal workers to carry mail
2. the letters and packages received by a particular person or organization
Usage: chiefly British

Examples

• The postal worker slung the heavy postbag over his shoulder.
• She emptied the postbag at the sorting office.
• The newspaper received a large postbag of angry letters.
• His daily postbag included fan mail from around the world.
• The politician’s postbag was full of complaints about the new policy.
• The radio show host reads from the postbag every Friday.
• The celebrity’s postbag contained hundreds of birthday cards.