v.1. To distribute something widely, especially by mail: We send out birthday cards to all our customers. I taped up the boxes and sent them out.
2. To emit or broadcast something: Such an offensive advertisement will send out the wrong message. We convert the sound into an electronic signal, and that radio tower sends it out.
3. To dispatch someone to do an errand or convey a message: The company sent out sales representatives to promote the new product. I sent the bellhop out for some cigarettes.
4. send out for To send or phone in an order for something to a nearby place, such as a restaurant, and request that it be delivered to one's location: Let's send out for pizza.