DREDGING

To make a channel deeper or wider using a dredge.

To bring something to the surface with a dredge.

(Usually with up) to unearth.

"to dredge up someone's unsavoury past"

To sprinkle (food) with spices or seasonings, using a dredge.

"Dredge the meat with the flour mixture you prepared earlier."

That which is dredged up.

The act of using a dredger or excavator to dredge a harbour, river, channel or watercourse.