Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A broadcast of an event or a recording of an event over the World Wide Web: a webcast of the solar eclipse.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A video and/or audio broadcast transmitted via the Internet
  • v. To make such a broadcast

Etymologies

web + (broad)cast.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Blend of web and broadcast (Wiktionary)

Examples

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