the world > matter > liquid > action or process of extracting > extract liquid [verb (transitive)] > by draining (4)
To draw off or away (a liquid) gradually, or in small quantities, by means of a conduit or the like; to carry off or away by means of a drain.
transitive. Of a drain or channel: to convey (water) away; to cause (water) to drain off. Also intransitive.
transitive. To drain off (water). Obsolete. rare.
transitive. To drain of water, to carry off water from.