排水机

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}.