Definition of "multicast" []

• Having multiple targets, such that a call to the delegate triggers a call to each target. (adjective)
• The simultaneous transmission of data to several destinations on a network. (noun)

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• "This ability to make multiple copies of a packet is called multicast, and it occupies territory between broadcasts, which go to everyone, and regular communications called unicast, which go to only one recipient."
• "Netlink socket supports multicast, which is another benefit over system calls, ioctls and proc."
• "And more than half plan to use part of the digital spectrum to "multicast" additional programs and services at least part of the day."