The term FRENCH FAT is a culinary term referring to a type of clarified butter used in French cuisine. The crossword solution for this term is GRAS, which is the French word for fat or grease. This type of butter is made by melting unsalted butter and then skimming off the milk solids that rise to the top. The remaining liquid is then cooled and the fat is separated from the water. This clarified butter is used in many French dishes and is known for its rich flavor and high smoke point.