Definitions

1. 1.to pile up, to amass in one place
2. 2.to knock off, to knock down (cause to fall from some height)
3. 3.to knock over, to topple, to fell
4. 4.to demolish, to raze
5. 5.to burden, to lumber (e.g. with duties, responsibilities)
6. 6.to fall, to collapse, to topple