2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Evacuation  \E*vac`u*a"tion\,  n.  [L.  evacuatio:  cf  F. 
  ['e]vacuation.] 
  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. 
 
  From  WordNet  r  1.6  [wn]: 
 
  evacuation 
  n  1:  the  act  of  removing  the  contents  of  something  [syn:  {emptying}, 
  {voidance}] 
  2:  the  act  of  evacuating;  leaving  a  place  in  an  orderly 
  fashion;  esp.  for  protection 
  3:  the  bodily  process  of  discharging  waste  matter  [syn:  {elimination}, 
  {excretion},  {excreting},  {voiding}] 

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