DRAG n.
dragged by a vessel through the water in order to keep her head to the wind or to prevent drifting; -- called also drift sail, drag sheet, drag anchor, sea anchor, floating anchor, etc. -- Drag twist (Mining), a spiral hook at the end of a rod for cleaning drilled holes.
DUNE n.
A low hill of drifting sand usually formed on the coats, but often carried far inland by the prevailing winds. [Written also dun.] Three great rivers, the Rhine, the Meuse, and the Scheldt, had deposited their slime for ages among the dunes or sand banks heaved up by the ocean around their mouths. Motley.…