[1] : WordNet (r) 2.0

inevitable accident
     n : a natural and unavoidable catastrophe that interrupts the
         expected course of events; "he discovered that his house
         was not insured against acts of god" syn: act of god,
         force majeure, vis major, unavoidable casualty
see also:
act of god force majeure vis major unavoidable casualty 

[2] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

inevitable accident. a term used in the civil law, nearly synonymous with 
fortuitous. event. q.v. 2 sm.  marsh. 572. in the common law commonly 
called the ad of god. q.v. 2 smed.  marsh. err.  app. 572. 

Inevitable >> I Words
Inevitable, definition of term: Inevitable
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Accident >> A Words
Accident, definition of term: Accident
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