What is Perish?

Legal Definition
To come to an end; to cease to be; to die.

2. What has never existed cannot be said to have perished.

3. When two or more persons die by the same accident, as a shipwreck, no presumption arises that one perished before the other. Vide Death. Survivorship.
-- Bouviers Law Dictionary
Legal Definition
To come to an end; to cease to be; to din.
-- Black's Law Dictionary