Definition from Wiktionary, the free dictionary
Coined by the video game community and opponents of the lockout practice. The practice originated with the video game industry and was devised by the video game industry and was later adopted by the film industry with the advent of DVDs.
- (video games, DVD) The programming practice, code, or chip used to prevent the playing of imported media on a domestically marketed device.
prevents the playing of imported media on a domestically marketed device