1. Letter carrier's shoulder bag
   "in Britain they call a mailbag a postbag"
   - mailbag [N. Amer] 
2. Pouch used in the shipment of mail
   - mailbag [N. Amer], mail pouch

Derived forms: postbags

Type of: bag, pouch

• tideway
• tidily
• tidiness
• tidings
• tidy
• tidy sum
• tidy up
• tidytips
• tie
• tie beam
• tie clip
• tie down
• tie rack
• tie rod
• tie tack
• tie the knot
• tie-dye
• tie-in
• tie-on
• tie-up
• tieback
• tiebreaker
• tied
• tied up
• tieless