dumpage

From dump +‎ -age.

dumpage (countable and uncountable, plural dumpages)

1. The act of dumping loads, e.g. from carts, especially refuse.
2. A heap of dumped matter.
3. (historical) A fee paid for the privilege of dumping loads.
4. defecation

• “dumpage”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.