EVACUATE

verb (-ated; -ating) Etymology: Middle English, to draw off morbid humors, from Latin evacuatus, past participle of evacuare to empty, from e- + vacuus empty Date: 15th century transitive verb to remove the contents of ; empty , to discharge from the body as waste ; void , to remove something (as gas or water) from especially by pumping, 4. to remove especially from a military zone or dangerous area, to withdraw from military occupation of, vacate , intransitive verb to withdraw from a place in an organized way especially for protection, to pass urine or feces from the body, evacuative adjective