The term 'BOOT WITH A BLADE' is a reference to the popular sport of skateboarding. The crossword solution for this term is SKATE, which is a five-letter word. Skateboarding is an activity that involves riding on a board with four wheels and a single blade attached to the bottom. Skaters use the blade to propel themselves forward and perform tricks. Skateboarding has become a popular sport around the world and is enjoyed by people of all ages.