A sedge species, Carex limosa.

plural of mud volcano

The immersion of the body in mud, for therapeutic reasons. / (figuratively) A very muddy area.

A flap that hangs down behind a vehicle's wheel so that mud and other things kicked up by the wheel will hit the flap instead of a vehicle behind.

(literally) A physical fight in which two (or more) opponents wrestle in mud or other dirt. / (figuratively) A dirty duel, involving verbal mudslinging.

(idiomatic, slang) Refers to a person or a builder using earth, mud, or clay as its main material. / (vulgar, slang) A turd (piece of feces).

plural of mud flap

A rich slimy deposit in salt marshes and along the seashore, sometimes used as a manure.

plural of mud flat

(extractive metallurgy) A mixture of solid and metallic oxide-bearing impurities that is a waste product of bauxite refinement. / Used other than figuratively or idiomatically: see red, mud.