noun An apparatus for bringing up marine animals, plants, and other objects from the bottom of the sea for scientific investigation.

noun Any instrument for bringing up or removing solid substances from under water by dragging on the bottom.To sprinkle flour upon, as roasting meat.To make use of a dredge operate with a dredge: as, to dredge for oysters.To take, catch, or gather with a dredge obtain or remove by the use of a dredge: as, to dredge mud from a river.To clear out with a dredge remove sand, silt, mud, etc., from the bottom of: as, to dredge a harbor, river, or canal.noun Formerly, same as meslin now, specifically, a mixture of oats and barley sown together.transitive verb To coat (food) by sprinkling with a powder, such as flour or sugar.intransitive verb To come up with unearth.intransitive verb To bring up with a dredge.intransitive verb To clean, deepen, or widen with a dredge.noun An implement consisting of a net on a frame, used for gathering shellfish.noun Nautical A boat or barge equipped with a dredge.noun Any of various machines equipped with scooping or suction devices and used to deepen harbors and waterways and in underwater mining.From The American Heritage® Dictionary of the English Language, 5th Edition.

Dredge in cooking meaning