The term SLOPE SLIDER is a combination of two words, SLOPE and SLIDER. The first word, SLOPE, is defined as a surface that has an incline or decline, while the second word, SLIDER, is defined as a person or object that slides down a SLOPE. The crossword solution for this term is SLED, which is a vehicle used to slide down a snowy or icy SLOPE. It is typically made of wood or plastic and has runners on the bottom to help it glide over the snow.