- The act or crime of a pirate. - Robbery on the high seas; the taking of property from
others on the open sea by open violence; without lawful authority, and
with intent to steal; -- a crime answering to robbery on land. -
Meaning of 'piracy' (Princeton's WordNet)
1 . piracy
[ n]
Meaning (1): - 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