What is Cancellaria?

Legal Definition
Cancellaria is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
-- Wikipedia
Legal Definition
Chancery; the court of chancery. Curia cancellaria is also used In the same sense. See 4Bl. Comm. 46; Cowell.
-- Black's Law Dictionary
Legal Definition
-- Ballentine's Law Dictionary