A pontoon bridge is a type of temporary bridge that is made up of floating pontoons or flat-bottomed boats that are held together with chains or cables. There are various different synonyms for the word "pontoon bridge" that can be used to convey the same meaning in a different phrase. A few of these include "floating bridge", "boat bridge", "barges bridge", and "raft bridge". Each synonym emphasizes different features of the structure, such as the fact that it floats on water or is made up of a series of boats. Regardless of the phrasing used, a pontoon bridge remains a highly effective and versatile temporary structure that can be used to cross bodies of water quickly and efficiently.