The term 'SEND A TELEGRAM TO' can be solved by the four-letter word 'WIRE'. This term is used to describe the act of sending a message via telegram, which is an old form of communication that involves sending a message over a WIRE or cable. The message is usually sent in code and is then decoded at the other end. This method of communication was popular before the invention of the telephone and is still used today in some parts of the world.