Source : Webster's Revised Unabridged Dictionary (1913)

Periculum \Pe*ric"u*lum\, n.; pl. {Pericula}. [L.] (Rom. &
   O.Eng. Law)
   1. Danger; risk.

   2. In a narrower, judicial sense: Accident or casus, as
      distinguished from dolus and culpa, and hence relieving
      one from the duty of performing an obligation.