Definitions for hand truck
Random House Webster's College Dictionary
a two-wheeled, barrowlike conveyance for moving luggage, cartons, etc., consisting of a frame with a ledge at the bottom and handles at the top.
Origin of hand truck:
hand truck, truck(noun)
a handcart that has a frame with two low wheels and a ledge at the bottom and handles at the top; used to move crates or other heavy objects
An L-shaped box-moving handcart with handles at one end, wheels at the base, with a small ledge to set objects on, flat against the floor when the hand-truck is upright. It makes otherwise bulky and heavy objects easier to move.