A corn shovel (a.k.a. corn scoop shovel) is a shovel with a wide scoop and high walls along that scoop. Makes moving snow much easier, especially if you're thinking of shoveling yourself out of a ditch instead of a driveway.

Mine is kind of like this: http://www.canadiantire.ca/en/pdp/troy-bilt-aluminum-d-handle-snow-shovel-0596904p.html#.UulRqT1dXj4