MAWB
Air freightMaster Air Waybill
The air waybill the airline issues to the forwarder for a consolidated shipment.
In practice
Covers the whole consolidation from the forwarder to its destination agent. Individual shippers' cargo inside it is covered by house AWBs. The MAWB number is what the airline tracks.
Seen in the wild
MAWB 618-1234 5675 with 12 HAWBs in the consol.