from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Robbery committed at sea.
- n. A similar act of robbery, as the hijacking of an airplane.
- n. The unauthorized use or reproduction of copyrighted or patented material: software piracy.
- n. The operation of an unlicensed, illegal radio or television station.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Robbery at sea, a violation of international law; taking a ship away from the control of those who are legally entitled to it.
- n. A similar violation of international law, such as hijacking of an aircraft.
- n. The unauthorized duplication of goods protected by intellectual property law (e.g. copying software unlawfully).
- n. The operation of an unlicensed radio or television station.
from the GNU version of the Collaborative International Dictionary of English
- n. The act or crime of a pirate.
- n. 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.
from The Century Dictionary and Cyclopedia
- n. Robbery upon the sea; robbery by pirates; the practice of robbing on the high seas.
- n. Literary theft; any unauthorized appropriation of the mental or artistic conceptions or productions of another; specifically, an infringement of the law of copyright.
- n. In geology, that process whereby, because of a higher natural gradient, and therefore more efficient eroding power, one stream cuts back a divide and taps off the head-waters or a tributary of another stream. The captured stream usually turns a sharp angle into its new course and leaves a wind-gap where it formerly flowed. Also called stream-piracy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
- n. the act of plagiarizing; taking someone's words or ideas as if they were your own
Medieval Latin pīrātia, from Late Greek peirāteia, from Greek peirātēs, pirate; see pirate.(American Heritage® Dictionary of the English Language, Fourth Edition)