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

• undisputable
• undisputed
• undisputedly
• undissolved
• undistinguishable
• undistinguished
• undistorted
• undistributed
• undisturbed
• undiversified
• undividable
• undivided
• undivided interest
• undivided right
• undo
• undoable
• undock
• undocumented
• undoer
• undogmatic
• undogmatical
• undoing
• undomestic
• undomesticated
• undone