drain

nouns

emptying something accomplished by allowing liquid to run out of it
drain, drainage
tube inserted into a body cavity (as during surgery) to remove unwanted material
drain
domain category
the branch of medical science that treats disease or injury by operative procedures
"he is professor of surgery at the Harvard Medical School"
surgery
is a type of (narrower)
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
tube, tubing
a pipe through which liquid is carried away
drain, drainpipe, waste pipe
a gradual depletion of energy or resources
"a drain on resources"; "a drain of young talent by emigration"
drain
is a type of (narrower)
the act of decreasing something markedly
depletion

verbs

flow off gradually
"The rain water drains into this big vat"
drain, run out
is derived from
drainage
deplete of resources
"The exercise class drains me of energy"
drain
is a type of (narrower)
use up (resources or materials)
"this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week"
consume, deplete, eat, eat up, exhaust, run through, use up, wipe out
empty of liquid; drain the liquid from
"We drained the oil tank"
drain
is derived from
drainage
is a type of (narrower)
make void or empty of contents
"Empty the box"; "The alarm emptied the building"
empty
make weak
"Life in the camp drained him"
debilitate, drain, enfeeble