v.
intr. To travel, especially over snow with a dogsled. v.
tr. To drive (a dogsled or team of dogs). n. A journey, especially by dogsled. interj. Used to command a team of dogs to begin pulling or move faster.
[Possibly alteration of French marchons, first person pl. imperative of marcher, to walk, go, from Old French; see march1.] mush'er n.