—n. 1. Also called dredging machine. any of various powerful machines for dredging up or removing earth, as from the bottom of a river, by means of a scoop, a series of buckets, a suction pipe, or the like.
2. a barge on which such a machine is mounted.
3. a dragnet or other contrivance for gathering material or objects from the bottom of a river, bay, etc.
—v.t. 1. to clear out with a dredge; remove sand, silt, mud, etc., from the bottom of.
2. to take, catch, or gather with a dredge; obtain or remove by a dredge.
—v.i. 1. to use a dredge.
2. dredge up, a. to unearth or bring to notice: We dredged up some old toys from the bottom of the trunk. b. to locate and reveal by painstaking investigation or search: Biographers excel at dredging up little known facts.
Pronunciation: (drej),[key] —v.t.,dredged, dredg•ing.Cookery. to sprinkle or coat with some powdered substance, esp. flour.