EVACUATION
evacuation
(noun) the act of evacuating; leaving a place in an orderly fashion; especially for protection
emptying, voidance, evacuation
(noun) the act of removing the contents of something
elimination, evacuation, excretion, excreting, voiding
(noun) the bodily process of discharging waste matter
Source: WordNet® 3.1
Etymology
Noun
evacuation (countable and uncountable, plural evacuations)
The act of evacuating; leaving a place in an orderly fashion, especially for safety.
Withdrawal of troops or civils from a town, 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; 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 or other natural means.
Abolition; nullification.
Source: Wiktionary
E*vac`u*a"tion, n. Etym: [L. evacuatio: cf. F. évacuation.]
1. The act of emptying, clearing of the contents, or discharging.
Specifically:
(a) (Mil.) Withdrawal of troops from a town, fortress, etc.
(b) (Med.) Voidance of any matter by the natural passages of the body
or by an artificial opening; defecation; also, a diminution of the
fluids of an animal body by cathartics, venesection, or other means.
2. That which is evacuated or discharged; especially, a discharge by
stool or other natural means. Quincy.
3. Abolition; nullification. [Obs.] Hooker. Evacuation day, the
anniversary of the day on which the British army evacuated the city
of New York, November 25, 1783.
Source: Webster’s Unabridged Dictionary 1913 Edition