The Collaborative International Dictionary
Periculum
Periculum \Pe*ric"u*lum\, n.; pl. Pericula. [L.] (Rom. & O.Eng. Law)
Danger; risk.
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.
Wiktionary
periculum
n. (context legal English) accident or casus, as distinguished from dolus and culpa, and hence relieving one from the duty of performing an obligation