What is "draught hook"

Draught \Draught\, a.

1. Used for drawing vehicles, loads, etc.; as, a draught beast; draught hooks.

2. Relating to, or characterized by, a draft, or current of air.

3. Used in making drawings; as, draught compasses.

4. Drawn directly from the barrel, or other receptacle, in distinction from bottled; on draught; -- said of ale, cider, and the like.

   Note: This word, especially in the first and second meanings, is often written draft, a spelling which is approved by many authorities.

   Draught box. See Draught tube, below.

   Draught engine (Mining), an engine used for pumping, raising heavy weights, and the like.

   Draught hook (Mil.), one of the hooks on a cannon carriage, used in drawing the gun backward and forward.

   Draught horse, a horse employed in drawing loads, plowing, etc., as distinguished from a saddle horse or carriage horse.

   Draught net, a seine or hauling net.

   Draught ox, an ox employed in hauling loads, plowing, etc.

   Draught tube (Water Wheels), an air-tight pipe extending downward into the tailrace from a turbine wheel located above it, to make the whole fall available; -- called also draught box.

n. (context military historical English) One of the hooks on a cannon carriage, used in drawing the gun backward and forward.