draining

Designed and/or used for drainage.

The author of this experiment has constructed, and uses a draining wheel of cast iron, that weighs about 4 cwt .

The mole-plough as a draining machine can never be of much utility in a country like Scotland, where alluvial deposits, though not deficient in extent, are characterized more by the abundance of stony matter than of clay in the subsoil; it is only in the few carses that such clays occur as would suit the mole plough.

Causing a depletion of energy or resources; exhausting.

I was very tired; working everyday and then staying at the hospital was very draining.

He was in the luxurious position of not having to hunt for girls—a process he finds very draining.

The practice of exploring drains, tunnels, or sewers.

The process by which something is drained or emptied.

The liquid drained from something.