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

Derived forms: mailbags

Type of: bag, pouch

• outerwear
• outface
• outfall
• outfield
• outfielder
• outfight
• outfit
• outfitted
• outfitter
• outfitting
• outflank
• outflow
• outflowing
• outfox
• outgas
• outgeneral
• outgo
• outgoer
• outgoing
• outgrow
• outgrowth
• outguess
• outgun
• outhaul
• outhouse