To squish so as to break into smaller pieces or to combine with something else.

(Britain, slang, chiefly Southern England) (US, slang, chiefly Nonantum) A form of address, normally to a man. / (Britain, slang, chiefly Northern England, Australia) The face.

A food comprising cracked or rolled grains cooked in water or milk; porridge. / (rural US) Cornmeal cooked in water and served as a porridge or as a thick sidedish like grits or mashed potatoes.

A somewhat liquid mess, often of food; a soft or semisolid substance. / (radio) A mixture of noise produced by the harmonics of continuous-wave stations. / (surfing) The foam of a breaker.

(Quebec, slang) A magic mushroom.

(intransitive) To walk, especially across the snow with dogs. / (transitive) To drive dogs, usually pulling a sled, across the snow.

A walk, especially across the snow with dogs.

A directive given (usually to dogs or a horse) to start moving, or to move faster.

(transitive) To notch, cut, or indent (cloth, etc.) with a stamp.

present participle of mush