pi·ra·cy

[pahy-ruh-see]
noun, plural pi·ra·cies.
1.
practice of a pirate; robbery or illegal violence at sea.
2.
the unauthorized reproduction or use of a copyrighted book, recording, television program, patented invention, trademarked product, etc.: The record industry is beset with piracy.
3.
Also called stream capture. Geology. diversion of the upper part of one stream by the headward growth of another.

Origin:
1545–55; earlier pyracie < Medieval Latin pīrātīa < Late Greek peirāteía. See pirate, -acy

an·ti·pi·ra·cy, noun, plural an·ti·pi·ra·cies, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Piracy is always a great word to know.
So is strata. Does it mean:
single bed of sedimentary rock, consisting of one kind of matter representing continuous deposition
outer layer of the earth, about 22 miles deep under the continents and 6 miles deep under the oceans
Collins
World English Dictionary
piracy (ˈpaɪrəsɪ) [Click for IPA pronunciation guide]
 
n , pl -cies
1.  (Brit) 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
 
[C16: from Anglo-Latin pirātia, from Late Greek peirāteia; see pirate]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

piracy
1419, from M.L. piratia (see pirate).
Online Etymology Dictionary, © 2010 Douglas Harper
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FOLDOC
Computing Dictionary

piracy definition


software piracy

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Some musicians try to halt online piracy by turning to lawyers.
And there is always the threat that online piracy might take off.
Piracy isn't driven by the media, it drives the media.
Translate what you've learned about counterfeiting and piracy into a fact sheet alerting other kids to the problem.
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