The term 'Body of Church' can be represented by the crossword solution 'NAVE', which is a four-letter word. NAVE is a term used to refer to the central part of a church, typically the area around the altar and choir. It is usually the longest and widest part of the church, and is often flanked by aisles on either side. The NAVE is also sometimes referred to as the body of the church, as it is the main area where worshippers gather for services.