evacuation Syllabification: (e·vac·u·a·tion)Pronunciation: /iˌvakyo͞oˈāSHən/Translate evacuation | into German | into Italian | into Spanish Definition of evacuation noun 1the action of evacuating a person or a place:there were waves of evacuation during the blitz a full-scale evacuation of the city center 2the action of emptying the bowels or another bodily organ. a quantity of matter discharged from the bowels or another bodily organ. technical the action of emptying a container of air, water, or other contents. evacuation in other Oxford dictionaries Definition of evacuation in the British & World English dictionary