Definitions of sledge:

• noun:   a heavy long-handled hammer used to drive stakes or wedges
• noun:   a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow
• verb:   ride in or travel with a sledge

  Example: "The antarctic expedition sledged along the coastline"

• verb:   transport in a sleigh
• verb:   beat with a sledgehammer
• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2699)