evacuation /ɪˌvækjuˈeɪʃən/ noun6 •The act of evacuating; leaving a place in an orderly fashion, especially for safety.Roads on either side of the river Rhine will be closed as authorities seal off the large evacuation zone. The Unesco World Heritage Cologne Cathedral sits just outside the area. — 2025 •Withdrawal of troops or civils from a town, country, fortress, etc. •The act of emptying, clearing of the contents, or discharging, including creating a vacuum. •Voidance of any matter by the natural passages of the body or by an artificial opening; defecation; urination; also, a diminution of the fluids of an animal body by cathartics, venesection, or other means. •That which is evacuated or discharged; especially, a discharge by stool, urine or other natural means.The Abscess being broken an Ulcer is left behind, which may be known by the Evacuation of Matter by Vomit and Stool — 1685 •Abolition; nullification. formsevacuations