What is Caduca?

Legal Definition
In the civil law. Property of an inheritable quality; property such as descends to an heir. Also the lapse of a testamentary disposition or legacy. Also an escheat ; escheated property.
-- Black's Law Dictionary
Legal Definition
Caduca is a genus of moths of the Noctuidae family.
-- Wikipedia
Legal Definition
That which is inherited or escheated.
-- Ballentine's Law Dictionary