noun, often capitalized
web·​cast | \ ˈweb-ˌkast How to pronounce webcast (audio) \

Definition of webcast

: a transmission of sound and images (as of an event) via the World Wide Web

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Other Words from webcast

webcast verb, often capitalized
webcaster noun, often capitalized

Examples of webcast in a Sentence

Recent Examples on the Web

Scientists in the audience—and more than 1 million people watching a live webcast—strained to analyze He's data slides showing that the gene edits had taken place in one baby and been on target. Jon Cohen, Science | AAAS, "The untold story of the ‘circle of trust’ behind the world’s first gene-edited babies," 1 Aug. 2019 Navalny's video studio, which had been sending a live webcast of the protest via YouTube, was shut down by helmeted police who forced their way into the room. Doug Stanglin, USA TODAY, "Hundreds detained in shoving match with Moscow police over election protest," 27 July 2019 Watch Worldwide Armchair astronomers around the globe can view live webcasts of the eclipse via multiple feeds beamed from the path of totality. Andrew Fazekas, National Geographic, "How to watch South America’s total eclipse from anywhere," 2 July 2019 Here are a few options, and when to tune in: The astronomy education website Slooh is providing a webcast of the eclipse starting at 3:15 pm Eastern. Brian Resnick, Vox, "Tuesday’s total solar eclipse: how to watch," 2 July 2019 In addition, there will be a live webcast of the meeting here. Julie Hinds, Detroit Free Press, "Detroit arts in the national spotlight as acting NEA chair visits the city," 20 June 2019 Watch our live webcast of the eclipse at https://t.co/bXJPfeOhji (photo simulation) https://t.co/yZrGz0ands pic.twitter.com/ocnCIlYPr7 The shadow also will move in faster than during 2017, heightening the experience of sudden nightfall. The Washington Post, The Mercury News, "A 6,000-mile path will experience a total solar eclipse next week. The display won’t be easy to see.," 26 June 2019 The original 17-minute webcast was viewed fewer than 200 times and wasn’t immediately reported, Facebook says. The Editorial Board, WSJ, "The Internet and Evil," 20 Mar. 2019 The Falcon 9 webcast should begin 15 minutes before the scheduled liftoff time—or just about the time the Ariane 5 rocket is taking off. Eric Berger, Ars Technica, "Two big rockets launched early Wednesday—then one landed in high seas," 24 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'webcast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of webcast

1995, in the meaning defined above

History and Etymology for webcast

World Wide Web + broadcast

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Learn More about webcast

Dictionary Entries near webcast

web blight




web crawler



Statistics for webcast

Last Updated

15 Aug 2019

Look-up Popularity

Time Traveler for webcast

The first known use of webcast was in 1995

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More from Merriam-Webster on webcast

Rhyming Dictionary: Words that rhyme with webcast

Comments on webcast

What made you want to look up webcast? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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