Siphon (noun)

1. A tube or pipe for drawing a liquid from a container, typically one that is lower than the liquid level, by means of suction.
2. A device for transferring a liquid from one container to another, using the principle of the siphon to draw the liquid through a tube.

Origin:

Late 16th century: via latin from greek siphōn "tube, pipe", from sipein "to draw out by suction".

Examples:

1. The gasoline was siphoned from the car.
2. He used a siphon to transfer the liquid from one container to another.
3. The siphon was used to drain the pool.
4. He used a siphon to transfer the beer from the keg to the bottles.
5. The siphon was used to empty the fish tank.