The term 'DEFENDANT's Entry' refers to the formal written response of a DEFENDANT in a criminal case. This response is usually a PLEA, which is a statement of either guilt or innocence. In this case, the crossword solution for the term is 'PLEA, ' which is a four-letter word. A PLEA is an important part of the criminal justice process, as it allows the DEFENDANT to enter their PLEA before the court and begin the process of determining their guilt or innocence.