• Webster's Revised Unabridged Dictionary
    • Dumpage A fee paid for the privilege of dumping loads; called in some cases tipping fee.
    • Dumpage The act of dumping loads from carts, especially loads of refuse matter; also, a heap of dumped matter.
    • ***
Century Dictionary and Cyclopedia
    • n dumpage The privilege of dumping loads from carts, trucks, etc, on a particular spot.
    • n dumpage The fee paid for such privilege.
    • ***