term:

Perils Of The Sea

perils of the sea

:perils that are peculiar to the sea but are of such an extraordinary nature and power that one cannot guard against them using ordinary skill and prudence [the insurance company denied that such waves in that region were perils of the sea]

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.