MUSHING
Verb
mushing
present participle of mush
Noun
mushing (uncountable)
Action of the verb to mush (travel with a dog sled).
A race with a dog team.
Source: Wiktionary
MUSH
Mush, n. Etym: [Cf. Gael. mus, muss, pap, porridge, any thick
preparation of fruit, OHG. muos; akin to AS. & OS. mos food, and
prob, to E. meat. See Meat.]
Definition: Meal (esp. Indian meal) boiled in water; hasty pudding; supawn.
[U.S.]
Mush, v. t. Etym: [Cf. F. moucheter to cut with small cuts.]
Definition: To notch, cut, or indent, as cloth, with a stamp.
Source: Webster’s Unabridged Dictionary 1913 Edition