Guard duty is a job that involves protecting a certain area or person. It typically involves watching, patrolling, and monitoring the area or person to ensure their safety. The term guard duty can be broken down into three words: WATCH, WATCHES, and PATROL. WATCH is a five letter word meaning to observe or look out for something. WATCHES is a seven letter word meaning to keep an eye on something or someone. PATROL is a six letter word meaning to go around an area in order to monitor it. Guard duty is an important job that requires vigilance and dedication.