The term 'FISHERMAN'S ACCESSORY' can be summarized by the crossword solution CREEL, which is a five-letter word. A CREEL is a type of basket used by fishermen to store their catch. It is usually made of wicker or other materials and is designed to be carried on the back or over the shoulder. The CREEL is an essential accessory for any fisherman, as it allows them to easily transport their catch from one location to another.