An adverse event, ca-lam ity, or evil fortune, arising by accident, (or without the will or concurrence of him who suffers from it,) and not to be foreseen or guarded against by care or prudence. See 20 Q. B. Div. 816. In lts application to the law of homicide, this term always involves the further Idea that the person causing the death is not at the tlme engaged in any un-lawful act. 4 Bl. Comm. 182
Source: Black’s Law Dictionary 2nd Ed (1910)
