Definition of "mashup" []

• A derivative work consisting of two pieces of (generally digital) media joined together, such as a video clip with a different soundtrack applied for humorous effect, or a map overlaid with user-supplied data. (noun)
• A remix that combines two or more songs from different artists into one track. (noun)
• A Web application that combines data and/or functionality from more than one source. (noun)

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• "I think the term mashup has become so fast and loose for me that I am starting to apply it to just about everything that is remixed."
• "The term mashup has been used in the music industry for quite some time to define the result of producing a new sound by mixing two or more existing pieces together, so it's easy to guess that in the world of web applications the term means the ability of an application to combine data from more than one source."
• "Like many other buzz-laden terms (Web 2.0, for instance), the term mashup isn't subject to formal definition by any standards-setting body."