Langue de chat, which literally translates to "cat's tongue" in English, is a type of long, thin cookie that is popular in French cuisine. While it is known by this name in France, there are several synonyms for langue de chat that are used in different parts of the world or for different variations of the cookie. In the United Kingdom, they are often referred to as "cat's tongues." In Italy, they are sometimes called "lingue di gatto," which has the same meaning as the French name. Other synonyms include "langues de chaton," "cat's tongues biscuits," and "kattentongen" in Dutch. Regardless of the name, these cookies are known for their delicate texture and subtle flavor.