set used to broadcast radio or tv signals, someone who transmits a message, In telegraphy and telephony, the instrument by means of which a message is transmitted, as distinguished from the receiver at the other end of the line; also, the person transmitting. See curb-sender

The conventional device adopted, as in early monuments of art, to give the idea of a garment of mail, A quantity of mail, such as letters, magazines, advertising brochures, etc, sent at one time by one person or organization, mail sent by a sender at one time, verb_ Present participle of mail