The crossword solution for the term JOIN AT THE EDGE is ABUT, which is a four-letter word. Abutting is a term used to describe two objects that are joined together at their edges. This can be used to describe two pieces of land that share a common boundary, or two pieces of material that are connected along their edges. Abutting is also used to describe two objects that are placed side by side, such as two buildings or two pieces of furniture.