(1):

(n.) Dung in a moist state; manure.

(2):

(n.) Vegetable mold mixed with earth, as found in low, damp places and swamps.

(3):

(n.) Anything filthy or vile.

(4):

(n.) Money; - in contempt.

(5):

(a.) Like muck; mucky; also, used in collecting or distributing muck; as, a muck fork.

(6):

abbreviation of Amuck.

(7):

(v. t.) To manure with muck.