piracy

Definition of Piracy in English :

hijacking on the high seas or in similar contexts; taking a ship or plane away from the control of those who are legally entitled to it

Example Sentences:
'air piracy'

the act of plagiarizing; taking someone's words or ideas as if they were your own

WordNet Lexical Database for English. Princeton University. 2010.

Piracy

noun plural -cies

1. British

robbery on the seas within admiralty jurisdiction

2.

a felony, such as robbery or hijacking, committed aboard a ship or aircraft

3.

the unauthorized use or appropriation of patented or copyrighted material, ideas, etc

nounWord forms: plural ˈpiracies

1.

robbery of ships on the high seas

2.

the unauthorized publication, reproduction, or use of a copyrighted or patented work

3.

the illegal recording, transmission, or reception of radio or TV broadcasts

n. pl. pi·ra·cies

1.

a. Robbery or other serious acts of violence committed at sea.

b. The hijacking of an airplane: air piracy.

2. Copyright or patent infringement: software piracy.

3. The illegal interception or use of radio or television signals.

4. An instance of piracy: a surge of piracies.