sendout
nounUK /ˈsɛndaʊt/
US /ˈsɛndaʊt/
A sendout is when something is sent out to many people at once.
The school did a sendout of the newsletter to every family.
OTHER MEANINGS
2. A person or thing that is sent out, such as a scout or messenger.
The sendout returned with news from the other side of the hill.
3. An invitation or notice sent to many people for an event.
We got a sendout about the neighborhood party next week.
4. The act of sending out a signal or message.
The radio sendout reached ships far out at sea.