Dredge

Any instrument used to gather or take by dragging; as: (a) A dragnet for taking up oysters, etc., from their beds. (b) A dredging machine. (c) An iron frame, with a fine net attached, used in collecting animals living at the bottom of the sea.

Very fine mineral matter held in suspension in water.

To catch or gather with a dredge; to deepen with a dredging machine.

A mixture of oats and barley.

To sift or sprinkle flour, etc., on, as on roasting meat.

a power shovel to remove material from a channel or riverbed