v.tr.
1. a remove (people) from a place of danger to stay elsewhere for the duration of the danger. b empty (a place) in this way.
2 make empty (a vessel of air etc.).
3 (of troops) withdraw from (a place).
4 a empty (the bowels or other bodily organ). b discharge (faeces etc.).
Derivatives:
evacuant n. & adj. evacuation n. evacuative adj. & n. evacuator n.
Etymology: L evacuare (as E-, vacuus empty)