Muttons are a type of meat that comes from sheep. However, there are several synonyms that can be used to refer to this delicious meat. Some of the most common synonyms for muttons include lamb, sheep meat, hogget, and mouton. Each of these words refers to a slightly different stage in the life of a sheep. For example, lamb is used to describe young sheep that are less than a year old, while hogget is used to refer to sheep between one and two years old. Mouton, on the other hand, is a French term that is used to describe the meat of older sheep.