The term 'STICK' (jumping apparatus) can be summarized by the crossword solution of 'pogo'. Pogo is a type of jumping apparatus that consists of a metal or plastic STICK with a handle and a spring-loaded footpad. It is used for recreational activities such as jumping, hopping, and bouncing. The user stands on the footpad and propels themselves into the air by using the STICK to push off the ground. Pogo sticks are popular among children and adults alike, and have been around since the early 1900s.