Muck, n. [Icel. myki; akin to D. mög. Cf. Midden.] 1. Dung in a moist state; manure. Bacon.
2. Vegetable mold mixed with earth, as found in low, damp places and swamps.
3. Anything filthy or vile. Spenser.
4. Money; — in contempt.
The fatal muck we quarreled for. Beau. & Fl.
Muck bar, bar iron which has been through the rolls only once. — Muck iron, crude puddled iron ready for the squeezer or rollers. Knight.