Dredge
[dredʒ] or [drɛdʒ]
Definition
(noun.) a power shovel to remove material from a channel or riverbed.
(verb.) remove with a power shovel, usually from a bottom of a body of water.
(verb.) search (as the bottom of a body of water) for something valuable or lost.
(verb.) cover before cooking; 'dredge the chicken in flour before frying it'.
Edited by Bradley--From WordNet
Definition
(n.) 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.
(n.) Very fine mineral matter held in suspension in water.
(v. t.) To catch or gather with a dredge; to deepen with a dredging machine.
(n.) A mixture of oats and barley.
(v. t.) To sift or sprinkle flour, etc., on, as on roasting meat.
Checker: Roberta
Definition
n. an instrument for dragging: a drag-net for catching oysters &c.: a machine for taking up mud or zoological specimens from the bottom of the sea: a floating machine for deepening a harbour or river by gathering up mud from the bottom by means of buckets on an endless chain—also Dredg′er Dredg′ing-machine′.—v.t. Dredge to gather with a dredge: to deepen with a dredge.
v.t. to sprinkle flour on meat while roasting.—ns. Dredg′er Dredge′-box Dredg′ing-box a utensil for dredging.
Edited by Kathleen
Examples
- One of the most common is the clam-shell dredge, consisting of a pair of large, heavy iron jaws, hinged at the back, in general form resembling a pair of huge clam shells. Various. The Wonder Book of Knowledge.
- This dredge is the only one found satisfactory in excavating rock. Various. The Wonder Book of Knowledge.
- The pipe is lowered into contact with the bottom to be excavated and the material is pumped into hopper barges or into a hopper-well in the dredge itself. Various. The Wonder Book of Knowledge.
- Traction is then made on the chains controlling the jaws, which close; the grapple is hoisted to the surface and its contents discharged into scows alongside the dredge. Various. The Wonder Book of Knowledge.
- The lower view shows a suction dredge, which operates on soft mud or sands, pumping the discharge through the pipe seen at the left of the illustration. Various. The Wonder Book of Knowledge.
- IV, pages 4-14; and Dredge's Electric Illumination, 1882, Vol. Frank Lewis Dyer. Edison, His Life and Inventions.
- The best known of the latter type is the Bowers hydraulic dredge, covered by many patents, of which Nos. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- Dredging machines of a great variety have been constructed. William Henry Doolittle. Inventions in the Century.
- The present method of dredging is of the hit or miss character, while the submarine method is capable of thorough work. Various. The Wonder Book of Knowledge.
- The gold-dredging spoken of refers to the working of gold-bearing sands found at the mouth of certain rivers in Alaska and South America. Various. The Wonder Book of Knowledge.
- Submarine Dredging. Various. The Wonder Book of Knowledge.
- Sixty great dredges were employed on the work, and the dredged material was discharged in chutes on to the bank. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- Small area of land dredged away as soon as Gatun Locks were completed. Various. The Wonder Book of Knowledge.
- How are Harbors Dredged Out? Various. The Wonder Book of Knowledge.
- Sixty great dredges were employed on the work, and the dredged material was discharged in chutes on to the bank. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
- This battery soon drove out our dredges, two in number, which were doing the work of thousands of men. Ulysses S. Grant. Personal Memoirs of U. S. Grant.
- Dredges were put to work immediately widening the channel at Cucaracha slide in Gaillard Cut, so that within a short time the canal was ready for use throughout its entire length. Various. The Wonder Book of Knowledge.
- The depth of water at which the Bucket Ladder dredges is regulated by the Hoisting Shears and Chain Barrel D D, driven by shafting E E from the Engines. Various. The Wonder Book of Knowledge.
- There are several forms of mechanical, power-operated dredges. Various. The Wonder Book of Knowledge.
- With the construction of canals and harbors, great improvements have been made in dredges. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
Checked by Jocelyn