Cachelot is a term used to describe a sperm whale, which is a type of marine mammal commonly found in the world's oceans. However, there are a few synonyms that can be used to refer to this fascinating creature. One of the most common synonyms for cachelot is sperm whale, which is derived from the whale's potent spermaceti oil. Other synonyms include the pot whale, the cachalote, and the great white whale. These names all represent the same majestic animal and are used interchangeably in different regions throughout the world. Whether you refer to them as cachelots or sperm whales, these creatures are both fascinating and awe-inspiring to behold.