A portable barbecue is a type of cooking device that is small and lightweight, making it easy to transport. It is also known as a hibachi, which is a Japanese term for a small, portable charcoal grill. The hibachi is typically made of cast iron and is used to cook food over an open flame. It is a popular choice for outdoor grilling and can be used to cook a variety of foods, including meats, vegetables, and even desserts.