1. Turning upside down; setting on end
   "The upending of the trash can scattered its contents across the floor";
   - inversion

1. Set, turn, or stand on end
   "upend the box and empty the contents"
    
2. Become turned or set on end
   "the airplanes upended"

Type of: lay, motility, motion, move, movement, overturn, place, pose, position, put, set, tip over, tump over, turn over

Encyclopedia: Upend