Upend has 3 different meanings across 1 category:
Verb
Verb
1
become turned or set on end
"the airplanes upended"
2
set, turn, or stand on end
"upend the box and empty the contents"
3
To end up; to set on end.
Broader Terms (hypernyms)
Origin
The word comes from combining the prefix up- with end. It originally meant to turn something upside down by its end.