DICT.TW Dictionary Taiwan

 sea anchor
 海錨

 Sea an·chor Naut. See Drag sail, under 4th Drag.
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 Drag, n.
 1. The act of dragging; anything which is dragged.
 2. A net, or an apparatus, to be drawn along the bottom under water, as in fishing, searching for drowned persons, etc.
 3. A kind of sledge for conveying heavy bodies; also, a kind of low car or handcart; as, a stone drag.
 4. A heavy coach with seats on top; also, a heavy carriage. [Collog.]
 5. A heavy harrow, for breaking up ground.
 6. (a) Anything towed in the water to retard a ship's progress, or to keep her head up to the wind; esp., a canvas bag with a hooped mouth, so used. See Drag sail (below). (b) Also, a skid or shoe, for retarding the motion of a carriage wheel. (c) Hence, anything that retards; a clog; an obstacle to progress or enjoyment.
    My lectures were only a pleasure to me, and no drag.   --J. D. Forbes.
 7. Motion affected with slowness and difficulty, as if clogged. “Had a drag in his walk.”
 8. Founding The bottom part of a flask or mold, the upper part being the cope.
 9. Masonry A steel instrument for completing the dressing of soft stone.
 10. Marine Engin. The difference between the speed of a screw steamer under sail and that of the screw when the ship outruns the screw; or between the propulsive effects of the different floats of a paddle wheel. See Citation under Drag, v. i., 3.
 Drag sail Naut., a sail or canvas rigged on a stout frame, to be 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.
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 sea anchor
      n : restraint consisting of a canvas covered frame that floats
          behind a vessel; prevents drifting or maintains the
          heading into a wind [syn: drogue]