Medical Dictionary


vt \ˈdrān\

Medical Definition of DRAIN

a :  to draw off (liquid) gradually or completely <drain pus from an abscess> b :  to exhaust physically or emotionally
:  to carry away or give passage to a bodily fluid or a discharge from <drain an abscess> <the eustachian tube drains the middle ear—H. G. Armstrong>
intransitive verb
:  to flow off gradually <blood draining from a wound>
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