to make something go or be taken to a place, especially by post/mail, email, radio, etc. send something to send a letter/package/cheque/fax/email She sent the letter by airmail. (British English) to send something by post (North American English) to send something by mail send something to somebody A radio signal was sent to the spacecraft. The CD player was faulty so we sent it back to the manufacturers. Have you sent a postcard to your mother yet? send somebody something Have you sent your mother a postcard yet? I'll send you a text message.