Definition, synonyms and related words
A video and/or audio broadcast transmitted via the Internet
"The university decided to webcast their final lecture so students could attend from anywhere in the world."
In plain English: A webcast is a live video broadcast sent over the internet for people to watch online.
"The company decided to webcast their annual conference live on YouTube."
Usage: A webcast refers to any live or recorded stream of audio, video, or both sent over the internet. Use this term specifically when describing content delivered online rather than through traditional television or radio networks.
To make such a broadcast
"The production team decided to webcast the concert live from the stadium."
The word combines web with -cast, a suffix borrowed from broadcast. It was formed to describe the act of transmitting audio or video content over the internet rather than via traditional radio waves.