n. One who travels by dogsled, especially in a race.
The Century Dictionary and Cyclopedia
n. The driver of a dog-team in arctic Alaska. The dog-teams are harnessed in the style customary among the Eskimos and the driver walks behind the team urging the dogs while a woman walks ahead of the dogs.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a traveler who drives (or travels with) a dog team
Word Usage
"The word musher is derived from the French word 'Marche' yelled in French at the dogs in the eighteen hundreds, yet it's a Yukon Quest race symbol."