These are the meanings of the letters DONURG when you unscramble them.
            
                
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                    Ground ()
                    
                        imp. & p. p. of Grind.
                     
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                    Ground (imp. & p. p.)
                    
                        of Grind
                     
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                    Ground (n.)
                    
                        A composition in which the bass, consisting of a few bars   of independent notes, is continually repeated to a varying melody.
                     
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                    Ground (n.)
                    
                        A conducting connection with the earth, whereby the earth   is made part of an electrical circuit.
                     
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                    Ground (n.)
                    
                        A floor or pavement supposed to rest upon the earth.
                     
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                    Ground (n.)
                    
                        A gummy composition spread over the surface of a metal to   be etched, to prevent the acid from eating except where an opening is   made by the needle.
                     
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                    Ground (n.)
                    
                        Any definite portion of the earth's surface; region;   territory; country. Hence: A territory appropriated to, or resorted to,   for a particular purpose; the field or place of action; as, a hunting   or fishing ground; a play ground.
                     
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                    Ground (n.)
                    
                        In point lace, the net of small meshes upon which the   embroidered pattern is applied; as, Brussels ground. See Brussels lace,   under Brussels.
                     
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                    Ground (n.)
                    
                        In sculpture, a flat surface upon which figures are raised   in relief.
                     
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                    Ground (n.)
                    
                        Land; estate; possession; field; esp. (pl.), the gardens,   lawns, fields, etc., belonging to a homestead; as, the grounds of the   estate are well kept.
                     
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                    Ground (n.)
                    
                        One of the pieces of wood, flush with the plastering, to   which moldings, etc., are attached; -- usually in the plural.
                     
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                    Ground (n.)
                    
                        Sediment at the bottom of liquors or liquids; dregs; lees;   feces; as, coffee grounds.
                     
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                    Ground (n.)
                    
                        That surface upon which the figures of a composition are   set, and which relieves them by its plainness, being either of one tint   or of tints but slightly contrasted with one another; as, crimson   Bowers on a white ground.
                     
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                    Ground (n.)
                    
                        The basis on which anything rests; foundation. Hence: The   foundation of knowledge, belief, or conviction; a premise, reason, or   datum; ultimate or first principle; cause of existence or occurrence;   originating force or agency; as, the ground of my hope.
                     
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                    Ground (n.)
                    
                        The pit of a theater.
                     
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                    Ground (n.)
                    
                        The surface of the earth; the outer crust of the globe, or   some indefinite portion of it.
                     
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                    Ground (n.)
                    
                        The tune on which descants are raised; the plain song.
                     
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                    Ground (v. i.)
                    
                        To run aground; to strike the bottom and remain fixed;   as, the ship grounded on the bar.
                     
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                    Ground (v. t.)
                    
                        To connect with the ground so as to make the earth a   part of an electrical circuit.
                     
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                    Ground (v. t.)
                    
                        To cover with a ground, as a copper plate for etching   (see Ground, n., 5); or as paper or other materials with a uniform tint   as a preparation for ornament.
                     
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                    Ground (v. t.)
                    
                        To found; to fix or set, as on a foundation, reason, or   principle; to furnish a ground for; to fix firmly.
                     
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                    Ground (v. t.)
                    
                        To instruct in elements or first principles.
                     
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                    Ground (v. t.)
                    
                        To lay, set, or run, on the ground.