dragline /ˈdɹæɡlaɪn/ noun3 •A cable, cord, or rope used to drag an object; specifically, the line of a dragline excavator that drags the bucket.De Gier had rowed out to where the yacht was anchored, fished up the anchor with a dragline, ascertained that the anchor cable had been cut. — 1994 •Ellipsis of dragline excavator.Much of this material was taken from land adjoining the railway by draglines and bulldozers. — 1949 •A strong supporting line of silk produced by a spider. formsdraglines