Cochon de Lait is a French term that refers to a roasted piglet. The term comes from the Cajun culture, where the tradition of cooking a whole pig on a spit is a popular practice for celebrations and special occasions. There are various synonyms used for Cochon de Lait, which includes Lechon, which is a Spanish term for roasted piglet. A few other synonyms include "Hog Roast," "Porcine feast," "Pig Roast," and "Suckling Pig Roast." These terms are used interchangeably depending on the region and the culture. Nevertheless, all these terms refer to the same culinary tradition of spit-roasting a whole piglet, which is delicious and perfect for any feast or celebration.