"drains" in the noun sense
1. drain, drainage
emptying something accomplished by allowing liquid to run out of it
tube inserted into a body cavity (as during surgery) to remove unwanted material
3. drain, drainpipe, waste pipe
a pipe through which liquid is carried away
a gradual depletion of energy or resources
"a drain on resources"
"a drain of young talent by emigration"
"drains" in the verb sense
1. drain, run out
flow off gradually
"The rain water drains into this big vat"
deplete of resources
"The exercise class drains me of energy"
empty of liquid drain the liquid from
"We drained the oil tank"
4. enfeeble, debilitate, drain
"Life in the camp drained him"
Source: WordNet® (An amazing lexical database of English)
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