Piracy
PI'RACY, noun [Latin piratica, from Gr. to attempt, to dare, to enterprise, whence Latin periculum, experior; Eng. to fare.]
1. The act, practice or crime of robbing on the high seas; the taking of property from others by open violence and without authority, on the sea; a crime that answers to robbery on land.
Other acts than robbery on the high seas, are declared by statute to be piracy See Act of Congress, April 30, 1790.